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2 episodes with weyl
2 episodes with weyl
2 episodes with weyl
2 episodes with weyl
2 episodes with weyl
2 episodes with weyl
2 episodes with weyl
Huel: Try Huel with 15% OFF + Free Gift for New Customers today using my code theoriesofeverything at https://huel.com/theoriesofeverything . Fuel your best performance with Huel today! What really happens when you fall into a black hole? Physicist Neil Turok unveils a radical theory: there is no inside—only a mirror. You meet your antimatter twin, and annihilation follows. No multiverse. No extra dimensions. No information loss. Just elegant math and CPT symmetry. This is the simplest—and most profound—explanation of black holes to date. It rewrites what we thought we knew about the universe itself. As a listener of TOE you can get a special 20% off discount to The Economist and all it has to offer! Visit https://www.economist.com/toe Join My New Substack (Personal Writings): https://curtjaimungal.substack.com Listen on Spotify: https://tinyurl.com/SpotifyTOE Become a YouTube Member (Early Access Videos): https://www.youtube.com/channel/UCdWIQh9DGG6uhJk8eyIFl1w/join Timestamps: 00:00 Introduction 04:14 The Paradox of Information Loss 11:04 CPT Symmetry and Its Implications 19:09 Stuckelberg's Insights on Antiparticles 29:34 The Black Mirror Solution Explained 41:21 Dramatic Encounters at the Horizon 51:51 The Unexpected Nature of the Metric 59:46 Exploring Quantum Effects in Black Holes 1:05:04 Black Hole Entropy and Observations 1:10:13 The Universe: Superposed and Entangled 1:15:15 The Economist's Insights 1:15:29 Quantum Mechanics and Classicality 1:20:35 Simplicity in Cosmology 1:21:58 The DESE Experiment and Dark Energy 1:26:40 The Cosmological Constant Dilemma 1:31:13 The Bet on Cosmological Theories 1:32:06 The UFO Debate with Neil deGrasse Tyson 1:34:52 The Nature of Time and Understanding 1:36:44 Spinning Galaxies and Cosmic Alignment 1:38:44 Understanding the Black Hole Model 1:41:59 The Mirror Universe Concept 1:49:41 Dimension Zero Scalars in Physics 1:55:15 Solving the Hierarchy Problem 1:56:46 The Future of Physics 2:14:06 Advice for Young Physicists Links Mentioned: - On the analytic extension of regular rotating black holes (paper): https://arxiv.org/pdf/2303.11322 - Comment (2) on “Quantum Transfiguration of Kruskal Black Holes” (paper): https://arxiv.org/pdf/1906.04650 - Black Mirrors: CPT-Symmetric Alternatives to Black Holes (paper): https://arxiv.org/pdf/2412.09558 - Path integral formulation (Wiki): https://en.wikipedia.org/wiki/Path_integral_formulation#Feynman's_interpretation - The dominant model of the universe is creaking (article): https://www.economist.com/science-and-technology/2024/06/19/the-dominant-model-of-the-universe-is-creaking - Particle Creation by Black Holes (paper): https://scholar.google.com/citations?view_op=view_citation&hl=en&user=-AEEg5AAAAAJ&citation_for_view=-AEEg5AAAAAJ:maZDTaKrznsC - The distribution of galaxy rotation in JWST Advanced Deep Extragalactic Survey (paper): https://arxiv.org/pdf/2502.18781 - Cancelling the vacuum energy and Weyl anomaly in the standard model with dimension-zero scalar fields (paper): https://arxiv.org/pdf/2110.06258 - Gravitational entropy and the flatness, homogeneity and isotropy puzzles (paper): https://arxiv.org/pdf/2201.07279 - Radiative Mass Mechanism: Addressing the Flavour Hierarchy and Strong CP Puzzle (paper): https://arxiv.org/pdf/2411.13385 Support TOE on Patreon: https://patreon.com/curtjaimungal Twitter: https://twitter.com/TOEwithCurt Discord Invite: https://discord.com/invite/kBcnfNVwqs #science Learn more about your ad choices. Visit megaphone.fm/adchoices
Eva Weyl, eine fast 90-jährige Überlebende des Holocaust, erzählt in der neuen Podcast-Folge von ihrer Zeit im Übergangslager Westerbork und davon, wie sie und ihre Familie das Unvorstellbare überlebten. Ihre Botschaft an uns alle: „Nicht diskriminieren. Menschen als Menschen sehen.“ Zum 80. Jahrestag der Befreiung von Auschwitz teilt Eva Weyl ihre Geschichte und ruft dazu auf, Erinnerung lebendig zu halten. Eine Folge, die berührt, mahnt und Hoffnung schenkt. Folge direkt herunterladen
CSS: The Definitive Guide is exactly 1126 pages, written by Eric Meyer and Estelle Weyl. As they both said, "We read the CSS spec so you didn't have to." We ask them a ton of CSS questions and they gave us a ton of CSS answers.
rWotD Episode 2673: Bispinor Welcome to Random Wiki of the Day, your journey through Wikipedia’s vast and varied content, one random article at a time.The random article for Wednesday, 28 August 2024 is Bispinor.In physics, and specifically in quantum field theory, a bispinor is a mathematical construction that is used to describe some of the fundamental particles of nature, including quarks and electrons. It is a specific embodiment of a spinor, specifically constructed so that it is consistent with the requirements of special relativity. Bispinors transform in a certain "spinorial" fashion under the action of the Lorentz group, which describes the symmetries of Minkowski spacetime. They occur in the relativistic spin-1/2 wave function solutions to the Dirac equation.Bispinors are so called because they are constructed out of two simpler component spinors, the Weyl spinors. Each of the two component spinors transform differently under the two distinct complex-conjugate spin-1/2 representations of the Lorentz group. This pairing is of fundamental importance, as it allows the represented particle to have a mass, carry a charge, and represent the flow of charge as a current, and perhaps most importantly, to carry angular momentum. More precisely, the mass is a Casimir invariant of the Lorentz group (an eigenstate of the energy), while the vector combination carries momentum and current, being covariant under the action of the Lorentz group. The angular momentum is carried by the Poynting vector, suitably constructed for the spin field.A bispinor is more or less "the same thing" as a Dirac spinor. The convention used here is that the article on the Dirac spinor presents plane-wave solutions to the Dirac equation using the Dirac convention for the gamma matrices. That is, the Dirac spinor is a bispinor in the Dirac convention. By contrast, the article below concentrates primarily on the Weyl, or chiral representation, is less focused on the Dirac equation, and more focused on the geometric structure, including the geometry of the Lorentz group. Thus, much of what is said below can be applied to the Majorana equation.This recording reflects the Wikipedia text as of 00:29 UTC on Wednesday, 28 August 2024.For the full current version of the article, see Bispinor on Wikipedia.This podcast uses content from Wikipedia under the Creative Commons Attribution-ShareAlike License.Visit our archives at wikioftheday.com and subscribe to stay updated on new episodes.Follow us on Mastodon at @wikioftheday@masto.ai.Also check out Curmudgeon's Corner, a current events podcast.Until next time, I'm standard Joanna.
Présentation de Florence Houisse, Avocate en Propriété Intellectuelle Je vous présente Florence Houisse, avocate chez Kern & Weyl, un cabinet spécialisé en propriété intellectuelle. Florence accompagne depuis dix ans les acteurs de l'industrie des jeux vidéo, qu'il s'agisse de studios, de publishers, de distributeurs ou de prestataires de services. Elle est rejointe par Julie, qui a une expérience notable en tant que juriste chez Focus Entertainment. Résumé du podcast Dans cet épisode, j'ai eu le plaisir de discuter avec Florence et Julie lors du Game Camp. Nous avons abordé l'importance d'avoir un avocat spécialisé dans le jeu vidéo, les services qu'ils offrent, et comment ils peuvent aider à éviter des ennuis juridiques. Florence a partagé des conseils précieux sur les contrats, les négociations, et les questions liées à l'intelligence artificielle dans le développement de jeux vidéo. Liste des questions posées Présentation personnelle : Comment te présenterais-tu en soirée ? Rôle d'un avocat dans le jeu vidéo : Quels sont les besoins des développeurs de jeux vidéo et comment un avocat peut-il les aider ? Processus d'accompagnement : Comment accompagnez-vous les studios de jeux vidéo, de la pré-production à la sortie du jeu ? Contrats de cession de droits : Quelles sont les questions importantes à aborder lors de la rédaction des contrats de cession de droits ? « Red flags » dans les contrats : Quels sont les principaux « red flags » à surveiller dans les contrats d'édition ? Négociations de contrats : Combien de temps peut prendre une négociation de contrat et pourquoi est-il important de prendre son temps ? Utilisation de l'IA dans le jeu vidéo : Quels sont les enjeux juridiques liés à l'utilisation de l'intelligence artificielle dans le développement de jeux vidéo ? Conditions générales d'utilisation des IA : Quelles sont les clauses importantes à vérifier dans les conditions générales d'utilisation des IA ? Droits d'auteur et IA : Comment l'utilisation de l'IA affecte-t-elle la protection des droits d'auteur dans les jeux vidéo ? Impact des IA sur la valeur des jeux vidéo : Quels impacts l'utilisation de l'IA peut-elle avoir sur la valeur d'un jeu vidéo ? Exemples pratiques : Pouvez-vous donner des exemples concrets de problèmes juridiques que vous avez aidé à résoudre ? Importance du Game Camp : Pourquoi est-il important de participer à des événements comme le Game Camp ? Liens utiles Cabinet Kern & Weyl : https://kern-weyl.com/ J'espère que cet épisode vous a apporté des insights précieux sur l'importance des aspects juridiques dans le développement de jeux vidéo. N'hésitez pas à consulter les liens pour en savoir plus sur le travail de Florence Houisse et ses contributions à l'industrie. À bientôt pour un prochain épisode !
Michael Freedman is a mathematician who was awarded the Fields Medal in 1986 for his solution of the 4-dimensional Poincare conjecture. Mike has also received numerous other awards for his scientific contributions including a MacArthur Fellowship and the National Medal of Science. In 1997, Mike joined Microsoft Research and in 2005 became the director of Station Q, Microsoft's quantum computing research lab. As of 2023, Mike is a Senior Research Scientist at the Center for Mathematics and Scientific Applications at Harvard University. Patreon (bonus materials + video chat): https://www.patreon.com/timothynguyen In this wide-ranging conversation, we give a panoramic view of Mike's extensive body of work over the span of his career. It is divided into three parts: early, middle, and present day, which respectively include his work on the 4-dimensional Poincare conjecture, his transition to topological physics, and finally his recent work in applying ideas from mathematics and philosophy to social economics. Our conversation is a blend of both the nitty-gritty details and the anecdotal story-telling that can only be obtained from a living legend. I. Introduction 00:00 : Preview 01:34 : Fields Medalist working in industry 03:24 : Academia vs industry 04:59 : Mathematics and art 06:33 : Technical overview II. Early Mike: The Poincare Conjecture (PC) 08:14 : Introduction, statement, and history 14:30 : Three categories for PC (topological, smooth, PL) 17:09 : Smale and PC for d at least 5 17:59 : Homotopy equivalence vs homeomorphism 22:08 : Joke 23:24 : Morse flow 33:21 : Whitney Disk 41:47 : Casson handles 50:24 : Manifold factors and the Whitehead continuum 1:00:39 : Donaldson's results in the smooth category 1:04:54 : (Not) writing up full details of the proof then and now 1:08:56 : Why Perelman succeeded II. Mid Mike: Topological Quantum Field Theory (TQFT) and Quantum Computing (QC) 1:10:54: Introduction 1:11:42: Cliff Taubes, Raoul Bott, Ed Witten 1:12:40 : Computational complexity, Church-Turing, and Mike's motivations 1:24:01 : Why Mike left academia, Microsoft's offer, and Station Q 1:29:23 : Topological quantum field theory (according to Atiyah) 1:34:29 : Anyons and a theorem on Chern-Simons theories 1:38:57 : Relation to QC 1:46:08 : Universal TQFT 1:55:57 : Witten: Donalson theory cannot be a unitary TQFT 2:01:22 : Unitarity is possible in dimension 3 2:05:12 : Relations to a theory of everything? 2:07:21 : Where topological QC is now III. Present Mike: Social Economics 2:11:08 : Introduction 2:14:02 : Lionel Penrose and voting schemes 2:21:01 : Radical markets (pun intended) 2:25:45 : Quadratic finance/funding 2:30:51 : Kant's categorical imperative and a paper of Vitalik Buterin, Zoe Hitzig, Glen Weyl 2:36:54 : Gauge equivariance 2:38:32 : Bertrand Russell: philosophers and differential equations IV: Outro 2:46:20 : Final thoughts on math, science, philosophy 2:51:22 : Career advice Some Further Reading: Mike's Harvard lecture on PC4: https://www.youtube.com/watch?v=TSF0i6BO1Ig Behrens et al. The Disc Embedding Theorem. M. Freedman. Spinoza, Leibniz, Kant, and Weyl. arxiv:2206.14711 Twitter: @iamtimnguyen Webpage: http://www.timothynguyen.org
In Episode 48 of The Power Element Podcast, Producer Paul has a conversation with, Journeyman Lineman, Chris Weyl. Chris discusses his time in the trade and shares insight into communication within the crew. Thank you, Chris Weyl This Podcast is powered by @sturgeon_electric & @myrgroup Check out and support our Promotional Partners: @milwaukeetool @dragonwear_fr @coeyewear @kleintools @buckingham_mfg @workingathlete @jelcosafety wagnersmith.com Special Thank you @linemanmama @highvoltagecommando Music Provided by: Daniel Sanchez @d.s.s._beats May we all continue to guide and support those in need. Please continue the conversation about mental health and well-being within your community. Be your Brother's Keeper. Visit www.lineco.org for assistance through LINECO. Suicide and Crisis Lifeline Dial 988
A new AI-powered mental health assessment is as accurate as traditional questionnaires.https://medicalxpress.com/news/2024-02-ai-app-equal-standard-mental.html Meta, the parent company of Facebook, will label AI-generated photos and punish users who don't disclose if a video or audio is made with AI.https://www.theverge.com/2024/2/6/24062388/meta-ai-photo-watermark-facebook-instagram-threads MIT PhD student Behrooz Tahmasebi and his advisor Stefanie Jegelka have modified Weyl's law to incorporate symmetry into machine learning.https://news.mit.edu/2024/how-symmetry-can-aid-machine-learning-0205 Coca-Cola-owned sports drink brand Bodyarmor released a Super Bowl commercial using generative AI.https://futurism.com/the-byte/coke-ai-generated-super-bowl-ad-scary Visit www.integratedaisolutions.com
Richard Borcherds is a mathematician and professor at University of California Berkeley known for his work on lattices, group theory, and infinite-dimensional algebras. His numerous accolades include being awarded the Fields Medal in 1998 and being elected a fellow of the American Mathematical Society and the National Academy of Sciences. Patreon (bonus materials + video chat): https://www.patreon.com/timothynguyen In this episode, Richard and I give an overview of Richard's most famous result: his proof of the Monstrous Moonshine conjecture relating the monster group on the one hand and modular forms on the other. A remarkable feature of the proof is that it involves vertex algebras inspired from elements of string theory. Some familiarity with group theory and representation theory are assumed in our discussion. I. Introduction 00:25: Biography 02:51 : Success in mathematics 04:04 : Monstrous Moonshine overview and John Conway 09:44 : Technical overview II. Group Theory 11:31 : Classification of finite-simple groups + history of the monster group 18:03 : Conway groups + Leech lattice 22:13 : Why was the monster conjectured to exist + more history 28:43 : Centralizers and involutions 32:37: Griess algebra III. Modular Forms 36:42 : Definitions 40:06 : The elliptic modular function 48:58 : Subgroups of SL_2(Z) IV. Monstrous Moonshine Conjecture Statement 57:17: Representations of the monster 59:22 : Hauptmoduls 1:03:50 : Statement of the conjecture 1:07:06 : Atkin-Fong-Smith's first proof 1:09:34 : Frenkel-Lepowski-Meurman's work + significance of Borcherd's proof V. Sketch of Proof 1:14:47: Vertex algebra and monster Lie algebra 1:21:02 : No ghost theorem from string theory 1:25:24 : What's special about dimension 26? 1:28:33 : Monster Lie algebra details 1:32:30 : Dynkin diagrams and Kac-Moody algebras 1:43:21 : Simple roots and an obscure identity 1:45:13: Weyl denominator formula, Vandermonde identity 1:52:14 : Chasing down where modular forms got smuggled in 1:55:03 : Final calculations VI. Epilogue 1:57:53 : Your most proud result? 2:00:47 : Monstrous moonshine for other sporadic groups? 2:02:28 : Connections to other fields. Witten and black holes and mock modular forms. Further reading: V Tatitschef. A short introduction to Monstrous Moonshine. https://arxiv.org/pdf/1902.03118.pdf Twitter: @iamtimnguyen Webpage: http://www.timothynguyen.org
In s3e42, Platemark host Ann Shafer talks with Lauren Rosenblum and Christina Weyl about their exhibition on view at Print Center New York through December, 23, 2023. A Model Workshop: Margaret Lowengrund and The Contemporaries is the first exhibition to explore the legacy of Lowengrund (1902–1957), a visionary artist-advocate and entrepreneur. In charting the institutional history of the hybrid print workshop-gallery she founded, The Contemporaries, and its later evolution into Pratt Graphic Art Center, A Model Workshop brings into focus the bustling printmaking scene of 1950s New York and reveals Lowengrund's impact on postwar printmaking. A Model Workshop: Margaret Lowengrund and The Contemporaries is curated by Lauren Rosenblum and Christina Weyl. It is on view September 21–December 23, 2023, at Print Center New York, 535 West 24th Street. Maurice Berezov, Margaret Lowengrund at The Contemporaries, c. 1952–55. Woodstock Artists Association and Museum Archives. © Maurice Berezov Photograph Copyright A.E. Artworks, LLC. Image courtesy Woodstock Artists Association and Museum Archives, Woodstock, New York. A Model Workshop: Margaret Lowengrund and The Contemporaries. Curated by Lauren Rosenblum and Christina Weyl. September 21–December 23, 2023. Print Center New York, 535 West 24th Street. The Contemporaries Graphic Art Centre, c. 1954. 959 Madison Ave, New York. The Contemporaries Gallery of Sculpture and Graphic Art, 992 Madison Avenue at 77th Street, New York, 1955. Photo by Robert Delson. The Contemporaries Graphic Art Centre, c. 1955–56. 1343–45 3rd Ave, New York. The Pratt Graphic Art Center, c. 1959. 795 Broadway, New York. Stuart Davis (American, 1892–1964). Detail Study for Cliché, 1957. Lithograph. 15 3/4 × 18 3/8 in. (40 × 46.7 cm.). Printed by Arnold Singer at The Contemporaries Graphic Art Centre. Judd Foundation, New York. © Estate of Stuart Davis Arthur Deshaies (American, 1920–2011). Hornet's Nest, 1956. Plexi engraving. Image: 303 x 403 mm. National Gallery of Art, Washington, D.C. Dean Meeker (American, 1920–2002). Trojan Horse, 1952. Screenprint. Sheet: 20 × 26 in. (50.8 × 66 cm.); image: 18 1/8 × 25 ¾ in. (46 × 65.4 cm.). Whitney Museum oof American Art, New York. Fritz Eichenberg's Talk on His Trip to the Soviet Union with United States Information Agency, Graphic Arts Exhibit, 1963. Pratt Institute Archives, Pratt Institute Library. Pratt Graphic Art Center, November 1962. Pratt Institute Archives, Pratt Institute Library. [Installation shot] A Model Workshop: Margaret Lowengrund and The Contemporaries. Curated by Lauren Rosenblum and Christina Weyl. September 21–December 23, 2023. Print Center New York, 535 West 24th Street. Photo: Argenis Apolinario. [Installation shot] A Model Workshop: Margaret Lowengrund and The Contemporaries. Curated by Lauren Rosenblum and Christina Weyl. September 21–December 23, 2023. Print Center New York, 535 West 24th Street. Photo: Argenis Apolinario. [Installation shot] A Model Workshop: Margaret Lowengrund and The Contemporaries. Curated by Lauren Rosenblum and Christina Weyl. September 21–December 23, 2023. Print Center New York, 535 West 24th Street. Photo: Argenis Apolinario. [Installation shot] A Model Workshop: Margaret Lowengrund and The Contemporaries. Curated by Lauren Rosenblum and Christina Weyl. September 21–December 23, 2023. Print Center New York, 535 West 24th Street. Photo: Argenis Apolinario. [Installation shot] A Model Workshop: Margaret Lowengrund and The Contemporaries. Curated by Lauren Rosenblum and Christina Weyl. September 21–December 23, 2023. Print Center New York, 535 West 24th Street. Photo: Argenis Apolinario. [Installation shot] A Model Workshop: Margaret Lowengrund and The Contemporaries. Curated by Lauren Rosenblum and Christina Weyl. September 21–December 23, 2023. Print Center New York, 535 West 24th Street. Photo: Argenis Apolinario. Peter Lipman-Wulf (1905–1993). Man in the Moon, 1952. Lignum vitae. 24 ½ × 14 × 10 ½ in. Collection of Michael Henkel, East Hampton, NY. USEFUL LINKS A Model Workshop webpage. https://www.printcenternewyork.org/a-model-workshop Christina's book: The Women of Atelier 17. https://www.atelier17.christinaweyl.com/#content Christina's article: “Missing Archives: Worden Day and Women Modernists.” https://christinaweyl.com/projects/2019-09-aaaj/ Rockefeller Archive Center, Sleepy Hollow, NY. https://rockarch.org/ Christina's IG: @christinaweyl Lauren's IG: @rosenbluuuum
Jeff kicks off this emotional rollercoaster recounting the insane accident he witnessed on the highway last weekend, followed by heartfelt reflections on saying goodbye to his father. A raw, honest start that sets the stage for an episode filled with candid conversation.Amelia serenades us with a freestyle tune, warming our hearts for the main event.Our guest, Daniel Weyl, joins Jeff for an engaging chat spanning a wide range of intriguing topics.Close Calls and Childhood Memories: Daniel shares chilling close calls with child predators in the early days of the internet. Meanwhile, Jeff delves into the concept of pure evil.From Celebrity Crushes to Cloning Conspiracies: Confessions of strange celebrity crushes lead to an eyebrow-raising question: Is Kanye West a clone? Join us in unpacking this theory.Hunting, ADHD, and Duck Tales: Discover the allure of hunting for your own food, the link between ADHD and eating habits, and some quirky duck facts.Could you land a Boeing 747 if you had to? What happens when airport janitors learn how to start the planes? Discuss society's complex relationship with wealth, Daniel's unusual friendship with a billionaire gopher-man, and the potential for an alien invasion to unite humanity. Delve into the mysterious realm of sleep paralysis, lucid dreams, nightmares. and more!Join Jeff, Daniel, and Amelia for an episode that's equal parts laughter, introspection, and thought-provoking discussion. You won't want to miss this emotional and enlightening journey.Ramble by the River Links:RambleByTheRiver.comFacebookInstagram TwitterEpisode catalogueBusiness: ramblebytheriver@gmail.comMusic Credits:El Vagabundo, Chalalatas.Bad Bitches 5, Amelia Grace (beat: Balloons, I'MIN).Baby Bye (Instrumental), Vicki Vox.Tales of the Deep, Lama House.Wilted Too Soon, Jeffrey The Third.Quiet, Jokob Ahlbom.Life in a Pond, Lama House.Todo Tuvo Sentido (Instrumental), Caro Luna.Luv, Bomull.Still Fly, Revel Day.COPYRIGHT 2023 RAMBLE BY THE RIVER LLC. ALL RIGHTS RESERVED.
Der Regisseur Jan Philipp Weyl sammelte schon während seiner Schulzeit in Krefeld Geld für Äthiopien. Später lud ihn Karlheinz Böhm dorthin ein. In seinem Kinodebüt "Running Against the Wind" macht Weyl dem Land eine filmische Liebeserklärung. Von Cornelia Wegerhoff.
Weyl, Jan Philippwww.deutschlandfunkkultur.de, VollbildDirekter Link zur Audiodatei
Episode 4 interviews Laura Weyl on motherhood, photography, feminism, and all the juicy stuff! Laura Weyl aka Metagasm is a New York City based filmmaker, photographer, and multi-media artist. Her art explores sexuality, the urban landscape, and analog image manipulations to create visceral, poetic visual worlds. She been exhibited in galleries and event spaces including Art Basel Miami/ HG Contemporary, Mana Contemporary, Karst Gallery, Untitled Space, Franklin Street Works, Superchief Gallery NYC, and Domicile Gallery LA. She has large scale public murals in London and has served as Director of Visual Identity for The Box NYC and London since 2016. Laura studied Media Arts at Wellesley college.
In this week's episode of DAO or Never, we interview Tracheopteryx, co-founder of Coordinape, and contributor to Yearn Finance. In describing the current state of DAOs, he says, "We are sovereign beings, responsible for our own actions in a global network, where we can connect with nearly anyone, built on a profoundly secure foundation."Intrigued? Let's dive in!Key Takeaways:Reputation in DAOs (01:56)Adversarial World Views and Trust (03:03)Coordinape's Compensation System (10:00)Illustrating Compensation and Communication in DAOs (12:00)Integral Theory and Resource Sharing Intelligence (13:04)Experiments in Compensation (18:10)Postponing Compensation for Equity (20:56)Employee Mindstates vs Founder Mindstates (22:31)Reputation, an Extitutional Cost (23:30)Identity vs Identifiers (30:32)Holes in the DAO Space (39:55)Additional Resources:Learn more about CoordinapeFollow CoordinapeConnect with TracheopteryxLearn more about Logos DAOConnect with Logos DAO on LinkedIn and TwitterGet all the news from DAO or NeverDecentralized Society: Finding Web3's Soul by Weyl, Ohlhaver, and ButerinIntegral Theory by Ken Wilber Spiral Dynamics by Don BeckHolarchyDigital Identity is not Human Identity, and that Matters by Philip SheldrakeBooks by David GraeberIf you enjoyed this episode, please follow, rate, and leave a review on your favorite podcast platform!
Have you ever played Civilization? Glen Weyl is is co-creator of quadratic voting, a collective decision-making procedure designed to allow fine-grained expression of how strongly voters feel about an issue,[2] and quadratic funding, a method of democratically disbursing resources.Kate Sills is a software engineer at Agoric, building composable smart contract components in a secure subset of JavaScript. Previously, Kate has researched and written on the potential uses of smart contracts to enforce agreements and create institutions orthogonal to legal jurisdictions.Paul Gebheim has spent the better part of 20 years creating software that gets stuff done, makes things go, shows you what's up, or keeps you connected. Recently he also helped to build a company based in the foundation of real life connection and the principal: It has to feel good to be good. This episode goes through chapter 5 of the book: IMPROVE COOPERATION | Info, Money, New Rights to Do Things Session summary: (425) G. Weyl, K. Sills, P. Gebheim: New Info, Money, Rights, Contracts, Privacy | Gaming the Future Ch. 5 - YouTube The Foresight Institute is a research organization and non-profit that supports the beneficial development of high-impact technologies. Since our founding in 1987 on a vision of guiding powerful technologies, we have continued to evolve into a many-armed organization that focuses on several fields of science and technology that are too ambitious for legacy institutions to support.Allison Duettmann is the president and CEO of Foresight Institute. She directs the Intelligent Cooperation, Molecular Machines, Biotech & Health Extension, Neurotech, and Space Programs, Fellowships, Prizes, and Tech Trees, and shares this work with the public. She founded Existentialhope.com, co-edited Superintelligence: Coordination & Strategy, co-authored Gaming the Future, and co-initiated The Longevity Prize. Apply to Foresight's virtual salons and in person workshops here!We are entirely funded by your donations. If you enjoy what we do please consider donating through our donation page.Visit our website for more content, or join us here:TwitterFacebookLinkedInEvery word ever spoken on this podcast is now AI-searchable using Fathom.fm, a search engine for podcasts. Hosted on Acast. See acast.com/privacy for more information.
#microsoft #radicalxchange #glenweyl #pluralistictech #socialtech DESIGNING THE DIGITAL ECONOMY- PLURALISTIC FUTURE E Glen Weyl is an economist and a researcher at Microsoft and author of the book Radical Markets: Uprooting Capitalism and Democracy for a Just Society with co-author Eric Posner. Weyl is co-creator of quadratic voting, a collective decision-making procedure designed to allow fine-grained expression of how strongly voters feel about an issue, and quadratic funding, a method of democratically disbursing resources Weyl uses ideas from political economy to develop social technology for widely-shared prosperity and diverse cooperation. Those ideas have inspired a social movement, RadicalxChange, that convenes activists, artists, entrepreneurs and researchers using information technology and market mechanisms to create a richer and more equal society. Weyl helped catalyze this collaboration as Founder and Chair of the RadicalxChange Foundation. Through that work he became co-chair and technical lead of the Harvard Edmond J. Safra Center on Ethics Rapid Response Task Force on Covid-19, the recommendations from which were endorsed by a dozen leading civil society organizations and the Biden campaign, among others. https://glenweyl.com https://twitter.com/glenweyl https://www.linkedin.com/in/e-glen-weyl-7007957a https://www.microsoft.com/en-us/research/people/glenweyl/ Watch our highest viewed videos: 1-India;s 1st Quantum Computer- https://youtu.be/ldKFbHb8nvQDR R VIJAYARAGHAVAN - PROF & PRINCIPAL INVESTIGATOR AT TIFR 2-Breakthrough in Age Reversal- -https://youtu.be/214jry8z3d4DR HAROLD KATCHER - CTO NUGENICS RESEARCH 3-Head of Artificial Intelligence-JIO - https://youtu.be/q2yR14rkmZQShailesh Kumar 4-STARTUP FROM INDIA AIMING FOR LEVEL 5 AUTONOMY - SANJEEV SHARMA CEO SWAAYATT ROBOTS -https://youtu.be/Wg7SqmIsSew 5-TRANSHUMANISM & THE FUTURE OF MANKIND - NATASHA VITA-MORE: HUMANITY PLUS -https://youtu.be/OUIJawwR4PY 6-MAN BEHIND GOOGLE QUANTUM SUPREMACY - JOHN MARTINIS -https://youtu.be/Y6ZaeNlVRsE 7-1000 KM RANGE ELECTRIC VEHICLES WITH ALUMINUM AIR FUEL BATTERIES - AKSHAY SINGHAL -https://youtu.be/cUp68Zt6yTI 8-Garima Bharadwaj Chief Strategist IoT & AI at Enlite Research -https://youtu.be/efu3zIhRxEY 9-BANKING 4.0 - BRETT KING FUTURIST, BESTSELLING AUTHOR & FOUNDER MOVEN -https://youtu.be/2bxHAai0UG0 10-E-VTOL & HYPERLOOP- FUTURE OF INDIA"S MOBILITY- SATYANARAYANA CHAKRAVARTHY -https://youtu.be/ZiK0EAelFYY 11-NON-INVASIVE BRAIN COMPUTER INTERFACE - KRISHNAN THYAGARAJAN -https://youtu.be/fFsGkyW3xc4 12-SATELLITES THE NEW MULTI-BILLION DOLLAR SPACE RACE - MAHESH MURTHY -https://youtu.be/UarOYOLUMGk Connect & Follow us at: https://in.linkedin.com/in/eddieavil https://in.linkedin.com/company/change-transform-india https://www.facebook.com/changetransformindia/ https://twitter.com/intothechange https://www.instagram.com/changetransformindia/ Listen to the Audio Podcast at: https://anchor.fm/transform-impossible https://podcasts.apple.com/us/podcast/change-i-m-possibleid1497201007?uo=4 https://open.spotify.com/show/56IZXdzH7M0OZUIZDb5mUZ https://www.breaker.audio/change-i-m-possible https://www.google.com/podcasts?feed=aHR0cHM6Ly9hbmNob3IuZm0vcy8xMjg4YzRmMC9wb2RjYXN0L3Jzcw Kindly Subscribe to CHANGE- I M POSSIBLE - youtube channel www.youtube.com/ctipodcast
Chetan begins by reviewing the eikonal approximation, and factorization theorems for amplitudes. Amartya then discusses this in context of quantum gravity, causality constraints and regge behaviour. This brings us to Vasiliev gravity the origins of string theory, and Chetan makes interesting remarks about string worldsheets, Ricci flows, the a-theorem, and the Poincare conjecture. We briefly discuss Weyl anomalies and the a-theorem in 6 dimensions. Santhosh then rambles about things such as advanced civilizations, lost knowledge, alien worlds and other fascinating plots for science fiction. Amartya concludes by describing about the recent developments in the anomalous (g-2) of muons, and tension between proposed models and data.
Ist Pinterest das Richtige für dein Marketing? Im Podcast habe ich @Cindy Weyl im Interview und wir klären Min. 5.30 die Höhen und Tiefen des Unternehmerseins - das Beste am Selbstständigsein) Min. 9.18 was Pinterest überhaupt ist und warum die Plattform ganz anders funktioniert Min. 12.30 wie du auf Pinterest anfangen kannst Min. 14.30 für wen Pinterest wirklich gar nichts ist Min. 18.36 wie viel Zeit du einplanen solltest, wenn du Pinterest machen willst Min. 22.10 Pinterest Short-Zusammenfassung Weißt du, egal ob du vor der Entscheidung stehst, jetzt Pinterest als neue Plattform aufzubauen oder deinen LinkedIn Kanal zu überarbeiten. Entscheidend ist, dass du all diese Strategien und Business-Methoden wirklich auf deine Persönlichkeit und dein Sein herunterbrichst. Wie das geht? Sei du. Wenn du in einer Gruppe Gleichgesinnter wirklich wirksam umsetzen möchtest, check die Mastermind Business-Wie-DU-willst. Das ist kein Kurs - es ist eine Entdeckungsreise. Mach den ersten Schritt und buch ein Gespräch : https://calendly.com/janawieduwilt/youscovery-matching Buch dir keinen Kurs. Werde Entdecker: www.business-wie-du-willst.de Wenn du bei dir bleibst, auf deine eigene Weise kommunizierst, weißt, womit du genau deinen Kunden helfen kannst, dann wirst du mit deinem Business einen wirklichen Unterschied machen und die Kunden werden bei dir anrufen, um mit genau DIR zu arbeiten. Das ist genau das, womit ich meinen Kunden helfe. Wenn du wirklich lernen magst, wie du deine Leistungen als ein “Muss-ich-haben” für deine Kunden gestalten kannst, dann buch dich ein - ins 20-min-Wie-Du-Willst-Gespräch. Da finden wir heraus, ✅ was dich davon abhält, deine Leistungen präzise darzustellen ✅ warum diese Präzision kein Hexenwerk ist ✅ was du jetzt tun kannst, damit du in einigen Wochen wirklich Kundenanfragen im Flow bekommst. Hier ist der Link. Such dir gern einen Termin aus. https://bit.ly/3gpMR1r Dir hat dieser Podcast gefallen und du willst jetzt endlich mit DEINER Nische und einer klaren Botschaft die Kunden leicht zu dir holen, die wirklich von deiner Expertise profitieren? ✅ 1:1 im MarketingMentoring www.jana-effekt.de Du möchtest mehr lernen und mehr lesen, hören über dein Marketing? https://wieduwilt-kommunikation.de Check die letzten Podcastfolgen: # 320 Sieben Schritte um endlich bei deinen Traumklienten sichtbar zu sein # 319 Freiheit - ein besonderer Podcast # 318 Meine drei besten Tipps zum Umgang mit technischen Nervigkeiten Wenn dir der Podcast gefällt, freue ich mich über ein Abonnement und eine 5-Sterne-Bewertung auf iTunes. Schreib mir gern, was dir besonders weiter geholfen hat.. Diese Bewertung hilft, meinen Podcast noch mehr Menschen zugänglich zu machen, die ihren Marketingweg gehen wollen: https://apple.co/3dVyijW Reiche gern deine Marketingfrage ein und schreib mir eine persönliche Nachricht mail@wieduwilt-kommunikation.de oder erreiche mich auf LinkedIn: https://www.linkedin.com/in/jana-wieduwilt/ oder Instagram: https://www.instagram.com/jana_wieduwilt/ oder Facebook: https://www.facebook.com/jana.wieduwilt Wenn du mich in deinem Podcast zu Gast haben möchtest, um meine Expertentipps zum Thema Marketing wie DU willst, für deine Hörer zu bekommen, schreib deine Anfrage mit Themenwunsch an mail@wieduwilt-kommunikation.de. Ganz viel Erfolg - auf deinem einzigartigen Weg zu deinem Business wie DU willst.
Author and Microsoft executive Glen Weyl talks about radical reforms of capitalism with EconTalk host Russ Roberts. Weyl is worried about the concentration of corporate power, especially in the tech sector. But rather than use the traditional tools of antitrust, he has a more radical strategy for reorganizing corporate governance entirely.
In our first episode, we spent time with Steve Weyl a renowned sales trainer that helps transform home improvement sales teams across the country. Before he was a sales trainer, Steve owned ABLE Roofing, which he took from zero to $105M in annual revenue. In our interview, we spoke about how Steve got his start in the home improvement industry, common mistakes new businesses make, how to close with brutal honesty, and how Hearth can help your sales process. To learn more about Steve's training, Wake Up and Start Selling, email support@gethearth.com or visit gethearth.com. Visit Steve Weyl's website: https://www.therubygroup.sandler.com/steve-weyl 0:00 - Intro 1:56 - Steve gets started 9:20 - Mistakes that new companies make 13:29 - Favorite project ever 23:03 - How to win with Hearth
Perché portare la filosofia in una rubrica che parla di STEM? Perché proprio la stessa natura della filosofia è quella di una disciplina che attraversa, in un certo senso, la scienza. La filosofia può parlare di scienza e dare significato fisico agli "oggetti" che la fisica tratta comunemente senza porsi troppe domande. Uno di questi è il Tempo. In questa rubrica, intitolata "Che Tempo Che Non Fa", Manuel Tecchiolli, Adriano Palma ed Emiliano Boccardi cercheranno di analizzare il "Problema del Tempo". Da dove ha origine il problema, quale sia la natura del tempo, quale interpretazione diamo al tempo nelle teorie scientifiche moderne e perché in molti, tra filosofi e fisici, ritengono che "lo scorrere del tempo" sia un'illusione, sono solo alcune delle domande a cui i tre cercheranno di dare risposta. Lista referenze: Weyl, Philosophy of Mathematics and Natural Science (Princeton, 1949); Carroll, J. 2002. “Instantaneous Motion.” Philosophical Studies 110: 49–67; Lange, M. 2005. “How Can Instantaneous Velocity Fulfill Its Causal Role?” The Philosophical Review 114 (4): 433–468; Arntzenius, F. 2000. “Are There Really Instantaneous Velocities?” The Monist 83: 187–208; Grünbaum, Adolf (1970). Modern Science and Zeno's Paradoxes of Motion. In Wesley C. Salmon (ed.), Zeno's Paradoxes. Bobbs-Merrill. pp. 200--250; Black, M., 1950, ‘Achilles and the Tortoise', Analysis, 11: 91–101; Salmon, W. C., 2001, Zeno's Paradoxes, 2nd Edition, Indianapolis: Hackett Publishing Co. Inc; Russell, Bertrand, 1903, The Principles of Mathematics, Cambridge: Cambridge University Press. #tempo #filosofia #relatività
One of the great scholars and teachers of art history, specializing iniconography—especially in her beloved Cyprus—Prof. Carr talks about themeaning of “sacred” in sacred art, and about the Institute’s vision of“exploring the intersection of human creativity and holiness.”
Glen Weyl posted a reply to my post criticizing his essay on technocracy, and kindly agreed to let me elevate it into a top-level post. (consider this a standing offer to anyone else I write a post criticizing to do the same) I’ve very slightly edited some parts to adjust for differences in how the code works. You can read more from Glen Weyl on his website, his Twitter, or by buying his book. I am grateful for your taking the time to respond. There is a lot there to respond to and in general I think the exchange speaks for itself. However, I think there are few points where clarification is important for the exchange to be productive, which I'll briefly address here. 1. Let me start with concessions. There are many points where @slatestarcodex correctly highlights various areas where my grasp of beliefs and facts are limited or wrong, especially in the depth of my grasp of the views of the rationalist community. I freely admit that there are serious limits to how much I've been able to research the views of people in this community and I certainly hope they are not as I characterized them, though as I will point out below many elements of Scott's response confirm my concerns.
https://astralcodexten.substack.com/p/contra-weyl-on-technocracy I. I am not defending technocracy. Nobody ever defends technocracy. It's like "elitism" or "statism". There is no Statist Party. Nobody holds rallies demanding more statism. There is no Citizens for Statism Facebook page with thousands of likes and followers. Yet for some reason libertarians don't win every single national election. Strange, isn't it? Maybe it’s one of those Russell conjugations - "I am firm, you are obstinate". I support rule of law, you're a statist. I want checks and balances on mob rule, you're an elitist. I like evidence-based policy, you're a technocrat. I am not defending technocracy. But I do like evidence-based policy. So I read with interest Glen Weyl's Why I Am Not A Technocrat. It starts with a short summary of Seeing Like A State. It ties this into modern "evidence-based policy" and "mechanism design". It talks about how technocrats will always have their own insular culture and biases and paradigms, which prevent them from seeing the real world in its full complexity. Therefore, we should be careful about supposedly "objective" policies, and make sure they are always heavily informed by real people's real knowledge. Then it draws on vague rumors of the "rationalist community" and a shadowy figure named "Eliezer Yudkowsky" to create a completely fictional reimagination of us as a group of benighted people who don't understand any of these things, and just go around saying "hurr durr top-down systems are great, no way there could possibly be anything our models don't capture."
Gustav Boeß von der DDP, der bürgerlich liberalen Deutschen Demokratischen Partei, wurde am 20. Januar 1921 zum Oberbürgermeister von Berlin gewählt. Da die Stadtverordnetenversammlung eine „linke“ Mehrheit aus Kommunisten, USPD und SPD besaß, ist die Wahl eines Kandidaten des bürgerlichen Lagers nur dadurch zustande gekommen, dass die SPD ihre Stimmen ihm gab und nicht dem Kandidaten der USPD Dr. Weyl. Dementsprechend beinhaltet der Bericht vom 21. Januar zur Wahl von Gustav Boeß im Vorwärts eine Rechtfertigung der SPD-Fraktion, warum sie nicht für Weyl stimmte, wohlwissend, dass die Presseorgane der Kommunisten und der USPD sie als Verräter beschimpfen würden. Gustav Boeß war die ganzen „goldenen Zwanziger“ über, bis 1929, Oberbürgermeister, bis er über die sogenannte Pelzmantelaffäre stürzte, bei der es um spottbillige Pelze für seine Frau mit dem Geruch von Bestechung ging, aber davon berichten wir dann 2029. Um einen Eindruck von damaligen Lebensläufen zu geben, liest Paula Leu auch die biographische Skizze des Vorwärts ein, die an den Artikel anschließt.
In this episode Miranda speaks with Christina Weyl, who has resenting published a book with Yale University Press title “The Women of Atelier 17: Modernist Printmaking in Midcentury New York”. Christina is a wealth of information on twentieth-century printmaking, as well as this groundbreaking studio. We learn about how World War II was the catalyst which moved the studio from France to New York, its connections to The New School and to the Surrealists, and the famous and infamous women who came out of it: Miriam Schapiro to Louise Bourgeois. Get out your pen paper for this one, print friends. Christina Weyl's Website https://atelier17.christinaweyl.com/ The Book https://yalebooks.yale.edu/book/9780300238501/women-atelier-17 pine|copper|lime MERCH https://www.teepublic.com/user/pinecopperlime pine|copper|lime website www.pinecopperlime.com pine|copper|lime instagram www.instagram.com/pine.copper.lime pine|copper|lime print gallery www.pinecopperlime.com/print-gallery ✨pine|copper|lime patreon✨ www.patreon.com/pinecopperlime Our sponsor Speedball www.speedballart.com Our sponsor McClain's Printmaking Supplies https://www.imcclains.com/
In this episode of our Money Reimagined podcast, Sheila Warren and Michael Casey speak with two outside-the-box thinkers on their ideas for improving governance. Quadratic Voting and Open AuctionsOne of our guests was Glen Weyl, the political economist and Principal Researcher at Microsoft Research New England, who co-authored the book “Radical Markets” with University of Chicago Law School professor Eric Posner. We chose to focus on just two of the many ideas that that book puts forward. One is quadratic voting, which allows people not only to vote for or against a particular issue but to express how strongly they hold that view by buying extra votes – up to a certain limit of assigned credits. The cost in credits of each additional vote increases by a quadratic formula. It's designed to help small groups of voters who care deeply about particular issues while still constraining them from overly skewing results.Weyl has also worked on a variation of the concept with Ethereum founder Vitalik Buterin called quadratic funding, which in theory could diminish the influence of wealthy “whales” in voting systems that are based on financial holdings or contributions. The second big idea we explored is that of perpetual open auctions. Here, every bit of property, including what we might otherwise think of as public property, is owned by private entities with the proviso that it is always up for auction and that the majority of the value created from it is shared equally among citizens as a social dividend. Weyl and Posner argue that such an arrangement would incentivize owners to manage the property well, and that the wider distribution of wealth creation would give a greater number of people the wherewithal to start businesses. It would also be easier to develop land for infrastructure, such as high-speed rail lines, because the developer could easily acquire it. Both of these ideas are rooted more in legal and process innovation than in software and distributed computing per se. But they intersect nicely with concepts associated with the crypto and blockchain space. One is the potential for self-sovereign identity models to prevent people from gaming quadratic voting. Another is the potential enhancements that smart contracts, non-fungible token-based property, and decentralized finance (DeFi) concepts such as automated market-making might bring to open auctions. Also, quadratic funding might fix free-rider problems in blockchain projects, Buterin believes. Smart taxationOur other guest was Jeff Saviano, the global lead of tax innovation at EY. He is a member of the Prosperity Collaborative, within which organizations such as the World Bank, MIT Media Lab's Connection Sciences lab and the New America Foundation are working with governments to improve transparency and efficiency in the collection and distribution of taxes. Saviano talks of how blockchain-based tracing systems might not only give taxpayers a transparent view of how their taxes are being spent but also incorporate programmability. For example, the actual, uniquely identified dollars that you contribute could be channeled directly and transparently into identifiable services that immediately benefit you and your community. Or, governments could use smart contracts to put hard constraints on those dollars, so only certain categories of expenditure, and not others, are enabled.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
In our weekly Money Reimagined podcast, Sheila Warren and I talked to two outside-the-box thinkers on their ideas for improving governance. Quadratic Voting and Open AuctionsOne of our guests was Glen Weyl, the political economist and Principal Researcher at Microsoft Research New England, who co-authored the book “Radical Markets” with University of Chicago Law School professor Eric Posner. We chose to focus on just two of the many ideas that that book puts forward. One is quadratic voting, which allows people not only to vote for or against a particular issue but to express how strongly they hold that view by buying extra votes – up to a certain limit of assigned credits. The cost in credits of each additional vote increases by a quadratic formula. It’s designed to help small groups of voters who care deeply about particular issues while still constraining them from overly skewing results.Weyl has also worked on a variation of the concept with Ethereum founder Vitalik Buterin called quadratic funding, which in theory could diminish the influence of wealthy “whales” in voting systems that are based on financial holdings or contributions. The second big idea we explored is that of perpetual open auctions. Here, every bit of property, including what we might otherwise think of as public property, is owned by private entities with the proviso that it is always up for auction and that the majority of the value created from it is shared equally among citizens as a social dividend. Weyl and Posner argue that such an arrangement would incentivize owners to manage the property well, and that the wider distribution of wealth creation would give a greater number of people the wherewithal to start businesses. It would also be easier to develop land for infrastructure, such as high-speed rail lines, because the developer could easily acquire it. Both of these ideas are rooted more in legal and process innovation than in software and distributed computing per se. But they intersect nicely with concepts associated with the crypto and blockchain space. One is the potential for self-sovereign identity models to prevent people from gaming quadratic voting. Another is the potential enhancements that smart contracts, non-fungible token-based property, and decentralized finance (DeFi) concepts such as automated market-making might bring to open auctions. Also, quadratic funding might fix free-rider problems in blockchain projects, Buterin believes. Smart taxationOur other guest was Jeff Saviano, the global lead of tax innovation at EY. He is a member of the Prosperity Collaborative, within which organizations such as the World Bank, MIT Media Lab’s Connection Sciences lab and the New America Foundation are working with governments to improve transparency and efficiency in the collection and distribution of taxes. Saviano talks of how blockchain-based tracing systems might not only give taxpayers a transparent view of how their taxes are being spent but also incorporate programmability. For example, the actual, uniquely identified dollars that you contribute could be channeled directly and transparently into identifiable services that immediately benefit you and your community. Or, governments could use smart contracts to put hard constraints on those dollars, so only certain categories of expenditure, and not others, are enabled.
If you're a printmaker, I hope you've heard of Atelier 17.The widely acclaimed mid-century Manhattan print studio was known for being an inclusive environment to make and expand the craft of printmaking. My guest today is Christina Weyl, author of a new book "The Women of Atelier 17: Modernist Printmaking in Midcentury New York."Christina Weyl is an author and art historian and independent scholar and curator. She earned a BA from Georgetown University and my MA and PhD in Art History from Rutgers University. Formerly, she was the director of Gemini G.E.L. at Joni Moisant Weyl, a gallery in New York City that represents the print publications of the Los Angels-based artists' workshop, Gemini G.E.L.She writes about midcentury American printmaking and women artists.Get ready for some history. I think you'll get a lot out of this one.On today's show with Christina Weyl, we're talking about:The New School in mid-centuryLouise NevelsonThe influence of Stanley William HayterAtelier 17Dorothy DainerLouise BourgeoisPrint technique spotlight: Engraving Sue Fuller's innovative fabric collage work in soft ground etchingLet's Get Technical! ~ How a common kitchen staple became ubiquitous in every printshop for Sugar Lift.Masculinizing technical terminologyWhy materials limited printmaking's evolution towards becoming monumentalJames EhlersAshton LuddenAndrew RafftertyAnd tons more…Enjoy!
Anne-Marie Slaughter is the CEO of New America, a think and action tank dedicated to renewing the promise of America, and a Professor of Politics and International Affairs at Princeton University. From 2009–2011, she served as director of policy planning for the United States Department of State, the first woman to hold that position. Glen Weyl is a political economist and social technologist whose work focuses on harnessing computers and markets to create a radically equal and cooperative society. He is the Founder and Chairman of the Radical x Change Foundation, a Principal Researcher at Microsoft Research and a lecturer at Princeton University. Today, Slaughter and Weyl will discuss the recently released Roadmap to Pandemic Resilience, published by Harvard’s Edmond. J Safra Center for Ethics. You just heard Anne-Marie Slaughter and Glen Weyl describe the Safra Center’s promotion of a TTSI approach - Testing, Tracing, and Supported Isolation. They believe that the only way to successfully contain COVID-19 is to ramp up testing, increase contact tracing and isolate those who have been exposed or infected. Although this will need to be done in a way that respects civil liberties, this is our best shot to save lives until a vaccine is available. Go to NoLabels.org to learn more about how we are bringing together a bipartisan group of public and private leaders working to stop the virus, save lives and get Americans back to work.
Paul Romer makes his second appearance to discuss the failings of economics, how his mass testing plan for COVID-19 would work, what aspects of epidemiology concern him, how the FDA is slowing a better response, his ideas for reopening schools and Major League Baseball, where he agrees with Weyl’s test plan, why charter cities need a new name, what went wrong with Honduras, the development trajectory for sub-Saharan Africa, how he’d reform the World Bank, the underrated benefits of a culture of science, his heartening takeaway about human nature from his experience at Burning Man, and more. Follow us on Twitter and IG: @cowenconvos Email: cowenconvos@mercatus.gmu.edu Follow Paul on Twitter Follow Tyler on Twitter Facebook Newsletter
Eine kurze Info in eigener Sache: Mit unserem "Find-Your-Business-Programm" gehen wir in die zweite Runde. Nach unserem erfolgreichen Start Anfang des Jahres mit mehr als 100 Teilnehmer*innen haben wir das Programm noch einmal angepasst uns ausgebaut. In nur 10 Wochen entwickelst du mit dem “Find-Your-Business-Programm" deine eigene Geschäftsidee. Neben 5 Input Sessions mit erfahrenen Coaches gibt es Umsetzungsphasen und Fragen-Antwort-Sessions. Außerdem können sich die Teilnehmer*innen in einer Facebook-Gruppe vernetzen und austauschen. Neugierig? Dann gehe einfach auf www.sidepreneur.de/fyb und schicke deine Bewerbung für den neuen Durchgang ab. Eine neue Episode unserer Reihe "Spätes Gründen" Interview mit der virtuellen Assistentin Cindy Weyl Herzlich Willkommen zu einer neuen Episode des Sidepreneur-Podcasts. Ich freue mich, dass du heute wieder eingeschaltet hast, um dich inspirieren zu lassen. Heute habe ich Cindy Weyl im Interview. Cindy habe ich im vergangenen Jahr auf der Digital Frei Konferenz - einer Konferenz für virtuelle Assistentinnen und Assistenten kennen gelernt. Seit 2018 ist Cindy als virtuelle Assistentin tätig, momentan nebenberuflich. Cindy unterstützt Selbständige und Unternehmer als Business Support. Außerdem bietet sich Podcast-Postproduktion für Podcaster an. Ein großer Vorteil der virtuellen Assistenz ist, dass du diesen Job ortsunabhängig anbieten kannst. Egal, wo du dich auf der Erde befindest ein Laptop und ein stabiles Internet sind die einzigen Voraussetzungen. Im Sidepreneur-Interview sprechen wir darüber, warum Cindy neben ihrer Teilzeitanstellung nebenberuflich angefangen hat, als virtuelle Assistentin zu arbeiten und wie sie den Spagat zwischen Hauptjob und Nebenberuflichkeit managt. Außerdem plaudern wir wenig darüber, welche Vor- aber auch Nachteile Cindy im späteren Gründen sieht.
Eine kurze Info in eigener Sache: Mit unserem "Find-Your-Business-Programm" gehen wir in die zweite Runde. Nach unserem erfolgreichen Start Anfang des Jahres mit mehr als 100 Teilnehmer*innen haben wir das Programm noch einmal angepasst uns ausgebaut. In nur 10 Wochen entwickelst du mit dem “Find-Your-Business-Programm" deine eigene Geschäftsidee. Neben 5 Input Sessions mit erfahrenen Coaches gibt es Umsetzungsphasen und Fragen-Antwort-Sessions. Außerdem können sich die Teilnehmer*innen in einer Facebook-Gruppe vernetzen und austauschen. Neugierig? Dann gehe einfach auf www.sidepreneur.de/fyb und schicke deine Bewerbung für den neuen Durchgang ab. Eine neue Episode unserer Reihe "Spätes Gründen" Interview mit der virtuellen Assistentin Cindy Weyl Herzlich Willkommen zu einer neuen Episode des Sidepreneur-Podcasts. Ich freue mich, dass du heute wieder eingeschaltet hast, um dich inspirieren zu lassen. Heute habe ich Cindy Weyl im Interview. Cindy habe ich im vergangenen Jahr auf der Digital Frei Konferenz - einer Konferenz für virtuelle Assistentinnen und Assistenten kennen gelernt. Seit 2018 ist Cindy als virtuelle Assistentin tätig, momentan nebenberuflich. Cindy unterstützt Selbständige und Unternehmer als Business Support. Außerdem bietet sich Podcast-Postproduktion für Podcaster an. Ein großer Vorteil der virtuellen Assistenz ist, dass du diesen Job ortsunabhängig anbieten kannst. Egal, wo du dich auf der Erde befindest ein Laptop und ein stabiles Internet sind die einzigen Voraussetzungen. Im Sidepreneur-Interview sprechen wir darüber, warum Cindy neben ihrer Teilzeitanstellung nebenberuflich angefangen hat, als virtuelle Assistentin zu arbeiten und wie sie den Spagat zwischen Hauptjob und Nebenberuflichkeit managt. Außerdem plaudern wir wenig darüber, welche Vor- aber auch Nachteile Cindy im späteren Gründen sieht.
DIGITALFREI - Podcast für Virtuelle Assistenz, Freelancer & die, die es werden wollen!
Heute gibt es noch den letzten Mitschnitt meines Facebook Lives. Cindy war so nett und hat ein wenig aus ihrem Leben als VA geplaudert. Momentan arbeitet sie nebenberuflich als VA. Ihr Arbeitgeber wird aber Ende des Jahres den Standort schließen und somit wird Cindy nicht mehr allzu lang nebenberuflich tätig sein. Ich wünsche dir jetzt viel Spaß beim Hören der neuen Folge! Ein kleiner Auszug aus den Themen: ▶️ Wie hat dein Arbeitgeber reagiert? ▶️ Wie bist du versichert? ▶️ Möchtest du in Zukunft vollzeit als VA arbeiten? ▶️ Wie bist du zu deinem ersten kunden gekommen? ▶️ uvm. ‼️Hier könnt ihr beim Podcast-Helden-Award für mich abstimmen‼️ Dir hat die Folge gefallen und du hast weiterhin Lust auf interessante Interviews und Solo-Folgen? Dann hilf mir, den Podcast zu verbreiten und gib mir doch eine 5-Sterne-Bewertung oder ein Kommentar auf iTunes.⭐️⭐️⭐️⭐️⭐️
Prof. Glen Weyl from Princeton University discusses ideas in his new book "Radical Markets: Uprooting Capitalism and Democracy for a Just Society." The book was just listed in “The Economist’s books of the year” among many other praises. In this interview, Prof. Weyl explains how his vision could be a unique solution to many of our problems today, the role of blockchain technology in social change, and the future of Liberalism among other topics. Prof. Weyl is now a Principal Researcher at Microsoft and the founder of the RadicalxChange movement. He graduated from Princeton in 2007 as the valedictorian of his undergraduate class, and he received his PhD degree in economics at Princeton in the following year of 2008. Prof. Weyl is hosting the 8th Annual Conference for Julis-Rabinowitz Center for Public Policy and Finance from Feb. 21 to 22. The conference is titled "Radical Mechanisms 10 Years After the Financial Crisis." This conference explores new ideas and mechanism designs aimed at addressing some of the most pressing issues facing financial markets and the macro-economy. The conference will also feature a mix of speakers including experts on blockchain, fintech, financial decentralization, and innovative mechanism design. For more information, please visit https://jrc.princeton.edu/annual-conference/2019. Prof. Weyl book can be purchased at: https://www.amazon.com/Radical-Markets-Uprooting-Capitalism-Democracy/dp/0691177503.
Pro-market economists love to wax rhapsodic about the capacity of markets to pull together the valuable local information spread across all of society about what people want and how to make it. But when it comes to politics and voting - which also aim to aggregate the preferences and knowledge found in millions of individuals - the enthusiasm for finding clever institutional designs often turns to skepticism. Today's guest, freewheeling economist Glen Weyl, won't have it, and is on a warpath to reform liberal democratic institutions in order to save them. Just last year he wrote Radical Markets: Uprooting Capitalism and Democracy for a Just Society with Eric Posner, but has already moved on, saying "in the 6 months since the book came out I've made more intellectual progress than in the whole 10 years before that." Weyl believes we desperately need more efficient, equitable and decentralised ways to organise society, that take advantage of what each person knows, and his research agenda has already been making breakthroughs. Links to learn more, summary and full transcript Our high impact job board Join our newsletter Despite a history in the best economics departments in the world - Harvard, Princeton, Yale and the University of Chicago - he is too worried for the future to sit in his office writing papers. Instead he has left the academy to try to inspire a social movement, RadicalxChange, with a vision of social reform as expansive as his own. You can sign up for their conference in Detroit in March here Economist Alex Tabarrok called his latest proposal, known as 'liberal radicalism', "a quantum leap in public-goods mechanism-design" - we explain how it works in the show. But the proposal, however good in theory, might struggle in the real world because it requires large subsidies, and compensates for people's selfishness so effectively that it might even be an overcorrection. An earlier mechanism - 'quadratic voting' (QV) - would allow people to express the relative strength of their preferences in the democratic process. No longer would 51 people who support a proposal, but barely care about the issue, outvote 49 incredibly passionate opponents, predictably making society worse in the process. We explain exactly how in the episode. Weyl points to studies showing that people are more likely to vote strongly not only about issues they *care* more about, but issues they *know* more about. He expects that allowing people to specialise and indicate when they know what they're talking about will create a democracy that does more to aggregate careful judgement, rather than just passionate ignorance. But these and indeed all of Weyl's ideas have faced criticism. Some say the risk of unintended consequences is too great, or that they solve the wrong problem. Others see these proposals as unproven, impractical, or just another example of an intellectual engaged in grand social planning. I raise these concerns to see how he responds. As big a topic as all of that is, this extended conversation also goes into the blockchain, problems with the effective altruism community and how auctions could replace private property. Don't miss it. Get this episode by subscribing to our podcast on the world’s most pressing problems and how to solve them: type '80,000 Hours' into your podcasting app. The 80,000 Hours Podcast is produced by Keiran Harris.
I denne episoden av Lørn.Tech snakker Silvija Seres med Glen Weyl om konstruktive forslag til hvordan samfunnet vårt kan bli bedre, som ikke er basert på utopisk sosialisme eller utopisk liberalisme. Weyl og hans medforfatter Richard Posner står bak boken, «Radical Markets: Uprooting Capitalism and Democracy for a just society», går tilbake til sosialliberaleren Henry George og nobelprisvinneren William Vickrey, og utvikler en ny sosialliberal politikk på en rekke områder. Hør han diskutere med Silvija om hans radikale ideer om å gjøre kapitalismen mer effektiv og mer egalitær.Møtet var i regi av Polyteknisk Forening, Aksel Braanen Sterri og Lørn.TechBli med og #Lørn du også— abonner på podkasten vår!Følg oss gjerne i sosiale medier
Blockchain hipsters, we have a treat: Dr. Weyl, co-author of Radical Markets. His book quickly became a popular with us in decentralization. The book proposes new ways to create marketplaces to provide better opportunities for optimal redistribution of resources. This has especially strong implications for those designing decentralized systems and applications. We talk with him about his book, the motivations behind radical markets, and potential futures involving his schemes. Links http://radicalmarkets.com/ http://glenweyl.com/
Blockchain hipsters, we have a treat: Dr. Weyl, co-author of Radical Markets. His book quickly became a popular with us in decentralization. The book proposes new ways to create marketplaces to provide better opportunities for optimal redistribution of resources. This has especially strong implications for those designing decentralized systems and applications. We talk with him about his book, the motivations behind radical markets, and potential futures involving his schemes. Links http://radicalmarkets.com/ http://glenweyl.com/
Social movements have spurred major transformations in society, from the end of slavery to universal suffrage, the rise of labor unions, and universal education. Yet somehow after decades of economic stability, we began to rely on technological rather than social tools to remake the world, says Glen Weyl, a principal researcher for Microsoft. While technology flourished, we “did not allow our social wisdom and social infrastructure to balance that out,” says Weyl.
YouTube host Chuck Morse is joined by Glen Weyl, author of Radical Markets: Uprooting Capitalism and Democracy for a Just Society. Book: http://a.co/fBuAANY Website: http://glenweyl.com
Rob Wiblin's top recommended EconTalk episodes v0.2 Feb 2020
Economist Glen Weyl of Microsoft Research New England and Visiting Senior Research Scholar at Yale University talks with EconTalk host Russ Roberts about his book (co-authored with Eric Posner) Radical Markets. Weyl urges a radical transformation of land and housing markets using a new federal real estate tax based on self-assessment. Owners would be required to sell their houses at the self-assessed price. Weyl argues this would eliminate the market power home owners have in the re-sale market and the revenue tax would could be used to reduce inequality. In the last part of the conversation, Weyl proposes an overhaul of U.S. immigration policy by having residents sponsor immigrants for a fee.
Economist Glen Weyl of Microsoft Research New England and Visiting Senior Research Scholar at Yale University talks with EconTalk host Russ Roberts about his book (co-authored with Eric Posner) Radical Markets. Weyl urges a radical transformation of land and housing markets using a new federal real estate tax based on self-assessment. Owners would be required to sell their houses at the self-assessed price. Weyl argues this would eliminate the market power home owners have in the re-sale market and the revenue tax would could be used to reduce inequality. In the last part of the conversation, Weyl proposes an overhaul of U.S. immigration policy by having residents sponsor immigrants for a fee.
Jim and Randy discuss quasiparticles recently found in condensed matter systems that mirror particles theorized nearly a hundred years ago, but never found in the vacuum. Weyl particles are massless fermions, and once it was hoped that neutrinos would turn out to be this kind of particle, and Majorana fermions have real-valued wave functions and therefore many strange and possibly useful properties. Show Notes: http://frontiers.physicsfm.com/22
Folge 107 vom 31.10.2017 diesmal mit einer Quantenanomalie, Tits in Britain, kleinen Hirnen und einem Geistesblitz Experiment der Woche: Lipophilie Chinagadget: Nasenformer
We had the pleasure to interview Dr. Athanasios Dimoulas in the past and it seems that this interview is as interesting as the previous one. Athanasios Dimoulas is the head of Epitaxy and the Surface Science Laboratory at NCSR “Demokritos” and he gives us an update with the latest developments of new novel materials in nanoelectronics. The explosion of big data and IoT has resulted in a great need for energy efficient smart devices. Dr Dimoulas shares some of the problems and insights with their research on these hard to develop materials like graphene, Weyl fermions and others. He then reveals how crystals could simulate a “particle accelerator” and test some of the fundamental principles and assumptions in high energy, elementary particle physics and cosmology. This could result in discovering new interesting properties and being able to integrate them faster in electronic devices, capacitors and transistors, in the hope of impacting emerging Quantum Technologies. Interviewed by Sakis Triantafyllakis for Tech Talks Central.
Hamish Johnston visits Beijing on a hunt for the elusive Weyl fermions
Fakultät für Physik - Digitale Hochschulschriften der LMU - Teil 05/05
In this thesis, we investigate the gravitational consequences of theories in which the four spacetime dimensions of our universe are augmented by two spatial extra dimensions. More specifically, the focus is on braneworld scenarios, where our world is confined on a hypersurface in the higher-dimensional bulk, allowing the extra dimensions to be large or even infinite. Our main motivation for studying such models is that they could in principle be able to solve the cosmological constant (CC) problem via degravitation: the CC only curves the extra space, leaving the brane geometry flat. A major difference to the simpler case of a codimension-one brane is that here, gravitational waves can be emitted into the bulk, even at the 3D homogeneous and isotropic level, as is relevant for cosmology. Therefore, we first analyze the question how an outgoing wave boundary condition can be implemented, which is necessary in order to obtain a closed set of modified Friedmann equations predicting the cosmological on-brane evolution. We find that a potential tool from the literature, provided by a certain decomposition of the Weyl tensor - while being applicable to plane gravitational waves - fails for cylindrical waves. This failure is related to the fact that it is already impossible to locally separate incoming from outgoing linear cylindrical waves (on flat spacetime), as we demonstrate by explicitly deriving the corresponding nonreflecting boundary condition, which is nonlocal in time. We then consider a generalization of the Dvali-Gabadadze-Porrati (DGP) model, containing an additional compact on-brane dimension on top of the one infinite codimension. Since here the 3D maximally symmetric brane emits plane waves, the Weyl tensor criterion can be used to exclude incoming bulk waves, and we derive the resulting Friedmann equations. If the compact dimension is stabilized, DGP cosmology is recovered, but we find indications that the stabilization should break down when the CC starts to dominate, which would lead to additional, potentially interesting late time modifications. If, on the other hand, the compact direction is allowed to expand freely, there are dynamically degravitating solutions - which, however, lack a 4D regime and are thus ruled out, as we demonstrate by fitting to supernova data. Next, we turn to the codimension-two version of the DGP model. By numerically solving the full nonlinear coupled bulk-brane system for cosmological symmetries on the (regularized) brane, we show that in some region of parameter space, a CC - but also any other fluid component - gets degravitated dynamically, and a static geometry is approached via the emission of Einstein-Rosen waves. For other model parameters, pathological super-accelerating solutions are encountered. The origin of this unstable behavior is traced back to a tachyonic ghost mode which is identified in this parameter region by studying linear metric perturbations around a nontrivial pure tension background. While confirming the ghost result on Minkowski from the literature, we gain the important insight that the ghost disappears if the brane tension is large enough, thereby reconciling the model with the physical expectation of a healthy low energy effective theory. Unfortunately, the healthy region is again incompatible with an appropriate 4D gravity regime, and therefore ruled out phenomenologically. The preceding analysis only covered sub-critical brane tensions, meaning that the deficit angle of the exterior conical geometry is less than 2π. In the following chapter, we investigate super-critical tensions (first in 4D), and find that the (regularized) static solution is no longer stable. Instead, the axial direction expands at an asymptotically constant rate, and the exterior geometry (which is necessarily compact) takes the form of a growing cigar. We are able to derive an analytic relation between the expansion rate and the tension, which - when adapted to the 6D setup - only yields a (small) constant shift in the CC, and can therefore not help with the CC problem. Finally, the case of two finite codimensions is analyzed within the model of supersymmetric large extra dimensions (SLED). First, we show that - contrary to recent claims in the literature - a brane-localized flux cannot help avoiding the fine-tuning (which is here imposed by flux quantization) in order to obtain 4D flat solutions, basically because only scale invariant brane couplings ensure a flat brane. Next, we ask if a more realistic model with a finite brane width and scale invariance breaking couplings could still be successful by predicting a small enough (albeit nonzero) 4D curvature, but find a negative answer: If the extra-dimensional volume is within its currently allowed range, both effects give way too large contributions to the curvature, unless the brane width were many orders of magnitude below the bulk Planck length, and again some sort of fine-tuning were invoked.
Interactive panel discussion with Marcy Sutton, Karl Groves and Estelle Weyl on accessible performance. More info at: https://fronteers.nl/congres/2016-spring/sessions/interactive-panel-discussion-accessible-performance
Interactive panel discussion with Marcy Sutton, Karl Groves and Estelle Weyl on accessible performance. More info at: https://fronteers.nl/congres/2016-spring/sessions/interactive-panel-discussion-accessible-performance
Responsive Web Design (RWD) is the solution for putting our apps on mobile devices. Or is it? Bloated web applications that simply shrink in width are not usable. Squishy design is not the only, or even the main, solution for improved mobile web user experience. Other than responsive design, how can we improve performance so our mobile web applications, responsive or not, are usable and accessible no matter how a user chooses to access it. More info at: https://fronteers.nl/congres/2016-spring/sessions/rwd-is-not-a-panacea-by-estelle-weyl
Responsive Web Design (RWD) is the solution for putting our apps on mobile devices. Or is it? Bloated web applications that simply shrink in width are not usable. Squishy design is not the only, or even the main, solution for improved mobile web user experience. Other than responsive design, how can we improve performance so our mobile web applications, responsive or not, are usable and accessible no matter how a user chooses to access it. More info at: https://fronteers.nl/congres/2016-spring/sessions/rwd-is-not-a-panacea-by-estelle-weyl
This is NEWS Plus Special English. I'm Mark Griffiths in Beijing. Here is the news. A total of 31,500 prisoners, most of whom were juveniles when they committed crimes, have been released under an amnesty agreement. The agreement was decided on last year by the top legislature and signed by President Xi Jinping. It was adopted to mark the 70th anniversary of the end of World War II. Work on the amnesty was completed by the end of last year as scheduled. Among those released are prisoners who fought in the War of Resistance Against Japanese Aggression between 1937 and 1945, and the Chinese civil war in the 1930s and 1940s. They are at least 80 years old. This group is very small and does not pose a threat to society; and the amnesty granted to the veterans is "apt recognition" of their contributions in both wars. The majority of the released had committed crimes when they were under 18 years of age and were sentenced to less than three years in prison. This group also includes minors with less than a year of their sentences remaining. To ensure that the release of every criminal was in line with the special amnesty, judicial bodies, including courts and prison officers, made great efforts to study criminals' files, examine judgments and verify prisoners' identities. This is NEWS Plus Special English. Researchers from China have discovered a 1,000 kilometer-long canyon beneath an Antarctic ice sheet. The canyon exceeds the US Grand Canyon in size; it is now the largest known canyon on the earth's surface. The canyon was discovered near the Princess Elizabeth Land. It is more than 1,000 kilometers in length and 1,500 meters in depth. The maximum width at the top of the canyon is 27 kilometers. This is the first time that any large canyon has been found in the region. Scientists have made three major scientific discoveries there, with the first one being the discovery of the canyon. The second big discovery is that there are numerous subglacial lakes and water channels, beneath the Antarctic ice sheet. These lakes and bodies of water are interconnected. The width of one of the lakes reaches almost 27 kilometers. And another was formed in a location where the thickness of the ice is over 4,000 meters. This discovery will play an important role in future research. The third key finding is that the temperature of deep ice in Princess Elizabeth Land is noticeably higher than in other regions. This makes it easier for the ice to melt. It means that lakes and other water systems form more easily than previously thought. This is NEWS Plus Special English. The top science and technology news of 2015 has been announced in Beijing. Sponsored by the Chinese Academy of Sciences and Chinese Academy of Engineering, scientists at the two institutes voted on what news would be on the list. The top ten domestic items were topped by the country's breakthrough in quantum communication research, which was also praised as one of the greatest breakthroughs in physics last year by the European Physical Society. The list also featured China's accomplishments in space technology, including the launch of the first satellite for the global service of the BeiDou Navigation Satellite System, as well as the launch of the carrier rocket Long March-6, which carried 20 micro-satellites for space tests. In terms of transportation, China's first domestically-produced large passenger aircraft, the C919, was joined by the permanent magnetic motor technology being used in high-speed train systems. In addition, news on the Weyl fermion, spliceosome, relativistic jets, cellular signalling and China's first liquid metal machines made the rest of the list. As for the top ten pieces of international sci-tech news of 2015, the success of The Cancer Genome Atlas project and the Ebola vaccine led the chart. This was the 22nd annual voting on the top sci-tech news. （全文见周六微信。）
Sam Sanders (MCMP) gives a talk at the MCMP Colloquium (16 April, 2015) titled "On the Contingency of Predicativism". Abstract: Following his discovery of the paradoxes present in naive set theory, Russell proposed to ban the vicious circle principle, nowadays called impredicative definition, by which a set may be defined by referring to the totality of sets it belongs to. Russell's proposal was taken up by Weyl and Feferman in their development of the foundational program predicativist mathematics. The fifth `Big Five' system from Reverse Mathematics (resp. arithmetical comprehension, the third Big Five systen) is a textbook example of impredicative (resp. predicative) mathematics. In this talk, we show that the fifth Big Five system can be viewed as an instance of nonstandard arithmetical comprehension. We similarly prove that the impredicative notion of bar recursion can be viewed as the predicative notion primitive recursion with nonstandard numbers. In other words, predicativism seems to be contingent on whether the framework at hand accommodates Nonstandard Analysis, arguably an undesirable feature for a foundational philosophy.
Gesztesy, F (University of Missouri-Columbia) Wednesday 25 March 2015, 11:30-12:30
Manifestly T-duality covariant worldsheet string models can be constructed by doubling the coordinate fields. We describe the underlying gauge symmetry of a recently proposed Lorentz invariant doubled worldsheet theory that makes half of the worldsheet degrees of freedom redundant. By shifting the Lagrange multiplier, that enforces the gauge fixing condition, the worldsheet action can be cast into various guises. We investigate the renormalization of this theory using a non-linear background/quantum split by employing a normal coordinate expansion adapted to the gauge-fixed theory. The propagator of the doubled coordinates contains a projection operator encoding that half of them do not propagate. We determine the doubled target space equations of motion by requiring one-loop Weyl invariance. Some of them are generalizations of the conventional sigma model beta-functions, while others seem to be novel to the doubled theory: in particular, a dilaton equation seems related to the strong constraint of double field theory. However, the other target space field equations are not identical to those of double field theory.
Thomas Ryckman (Stanford) gives a talk at the MCMP workshop "Influences on the Aufbau" (1-3 July, 2013) titled "What Carnap might have learned from Weyl". Abstract: There are easily discernible traces of the influence of Hermann Weyl in the writings of Carnap in the early to mid- 1920s. It is somewhat more difficult to find any palpable influence of Weyl in the Aufbau. On the other hand, Weyl’s 1926 Philosophie der Mathematik und Naturwissenschaften is the sole work singled out in Aufbau's Bibliography as “especially suitable for study of problems connected with construction theory” in both the “logical” and the “epistemological” categories. I shall argue that, in the crucial Aufbau passage (§176) “demonstrating” the non-constructability of the reality (as mind- transcendent) concept, Carnap may have had §17 of Weyl’s 1926 book very much in mind.
Vandoren, S (Universiteit Utrecht) Friday 11 October 2013, 10:30-11:30
Estelle started her professional life in architecture, then managed teen health programs. In 2000, she took the natural step of becoming a web standardista. She has consulted for Apple, Yahoo! and Kodakgallery, among others. Estelle provides CSS3, HTML5 and JavaScript tutorials and detailed grids of browser support in her at standardista.com. She is the author of Mobile HTML5 and HTML5 and CSS3 for the Real World. While not coding, she works in construction, de-hippifying her 1960's throwback abode.
Estelle started her professional life in architecture, then managed teen health programs. In 2000, she took the natural step of becoming a web standardista. She has consulted for Apple, Yahoo! and Kodakgallery, among others. Estelle provides CSS3, HTML5 and JavaScript tutorials and detailed grids of browser support in her at standardista.com. She is the author of Mobile HTML5 and HTML5 and CSS3 for the Real World. While not coding, she works in construction, de-hippifying her 1960’s throwback abode.
Estelle started her professional life in architecture, then managed teen health programs. In 2000, she took the natural step of becoming a web standardista. She has consulted for Apple, Yahoo! and Kodakgallery, among others. Estelle provides CSS3, HTML5 and JavaScript tutorials and detailed grids of browser support in her at standardista.com. She is the author of Mobile HTML5 and HTML5 and CSS3 for the Real World. While not coding, she works in construction, de-hippifying her 1960’s throwback abode.
Shape dynamics is a theory of gravity that is generically dynamically equivalent to general relativity and yet sheds refoliaiton invariance in favor of spatial Weyl invariance. The different invariance groups has caused some puzzlement regarding the theory. In this talk, we will show how shape dynamics reproduce Poincare symmetry for a Minkowski-like curve in phase space. The asymptotic algebra is the same, but the charges for this theory acquire a new contribution to the energy that makes it Weyl invariant. The boundary conditions that allow for Poincare symmetry do not allow for a remaining conformal symmetry.
Mathematics and Applications of Branes in String and M-theory
Groot Nibbelink, S (Ludwig-Maximilians-Universität München) Thursday 28 June 2012, 16:15-16:30
Mathematics and Applications of Branes in String and M-theory
Pope, C (Texas A&M University) Friday 25 May 2012, 11:30-12:30
Davies, B (Kings) Monday 26 July 2010, 09:00-10.00
Fakultät für Physik - Digitale Hochschulschriften der LMU - Teil 03/05
Gauge-boson pair-production processes with an additional hadronic jet are of particular interest as background to Higgs and new-physics searches at hadron colliders. Moreover, they enable---besides genuine gauge-boson pair production---a direct analysis of the non-Abelian gauge-boson self-interactions in the electroweak sector. In this work we provide precision calculations for the processes pp->VV+jet+X. In detail, corrections to WW+jet, ZZ+jet, and WZ+jet production are evaluated at next-to-leading-order in the strong coupling (NLO QCD). Particular care has to be taken when treating the infrared singularities arising in the virtual and real corrections. The FormCalc/LoopTools package is applied for the virtual corrections, where dimensionally regularized infrared-divergent integrals are added to the FF library which is used for the regular ones. The real-emission matrix elements are evaluated in terms of helicity amplitudes in the Weyl--van-der-Waerden formalism. The Catani--Seymour dipole subtraction formalism mediates the cancellation of infrared divergences between the two contributions. To perform the numerical integration a multi-channel Monte Carlo integrator is written in C++, which is designed to meet the requirements of integrating cross sections in the dipole subtraction formalism. For all gauge-boson assignments, the NLO QCD corrections significantly stabilize the artificial dependence of the leading-order (LO) cross sections on renormalization and factorization scales for Tevatron. For LHC, however, only a modest reduction of the scale dependence results unless a veto on a second hard jet is applied. Beyond investigating the production processes, leptonic decays of the gauge bosons are considered. To this end, a full amplitude calculation including resonant and non-resonant contributions to the leptonic final states, a simple narrow-width approximation (NWA), and an improved version of the NWA that takes into account spin correlations are performed at LO. Comparing these approaches the improved NWA turns out to deliver an appropriate approximation to the decays at a reasonable level of accuracy. Thus, an NLO QCD calculation to VV+jet including leptonic decays is performed in the framework of the improved NWA. Several results on differential cross sections for quantities of the jet and the decay leptons are presented. For WW+jet, we discuss both proton--proton collisions at LHC and proton--antiproton collisions at Tevatron. For WZ+jet and ZZ+jet, however, the cross sections at Tevatron are too small, so only results for LHC are presented. The Monte Carlo generator developed in this thesis can be used as a tool in data analysis at LHC and Tevatron.
Fakultät für Physik - Digitale Hochschulschriften der LMU - Teil 02/05
Die nichtkommutative Geometrie stellt den ältesten Zugang zur Regularisierung von Ultraviolettdivergenzen der Punktwechselwirkungen in der Stöhrungstheorie dar. Dieser Zugang ist eine Verallgemeinerung der Quantenmechanik. Die Regularisierung erfolgt durch nichtverschwindende Unschärferelationen, die sich aus der neu eingeführten Nichtkommutativität der Ortsoperatoren ergibt. Zusätzlich ist das Ortseigenwertspektrum quantisiert - der messbare Raum erhält eine diskrete Struktur. Diese wird physikalisch als gravitativer Hochenergieeffekt auf der Planck-Skala verstanden. Der Bruch der Poincaré-Symmetrie durch nichkommutative Ortsoperatoren stellt die zentrale technische Problematik der nichtkommutativen Geometrie dar. Die mathematische Handhabung dieser Problemstellung ist aufwendig und wird im mathematischen Fachgebiet der Quantengruppen behandelt. Die mathematische Entwicklung hat sich dabei teilweise von den Bedürfnissen der Physik entfernt. Diese Doktorarbeit leistet einen Betrag dazu, Quantengruppen für die Anforderungen der Quantenfeldtheorie besser zugänglich zu machen. Zu diesem Zweck wird im Rahmen dieser Arbeit die Quantisierung der Poincaré-Algebra für nichtkommutative Räume mit kanonischen Kommutatorrelationen berechnet. Diese Räume sind äusserst populär unter Feldtheoretikern und verfügten bisher nur über Translationsinvarianz. Die Deformationen werden über einen notwendigen Satz von Bedingungen und einem allgemeinen Ansatz für die Lorentz-Generatoren bestimmt. Es wird eine zweiparametrige Schar von äquivalenten aber nichttrivialen Deformationen der Poincaré-Algebra erhalten. Die vollständige Hopf-Struktur wird berechnet und bewiesen. Casimir-Operatoren und Raumzeitinvarianten werden bestimmt. Desweiteren wird ein allgemeines Quantisierungsverfahren entwickelt, in dem die universelle Einhüllende von Matrix-Darstellungen von Lie-Algebren in eine eigens konstruierte Hopf-Algebra von Vektorfeldern als Unteralgebra eingebettet wird. Die unter Physikern populären Sternprodukte können damit generell zur Twist-Quantisierung von Lie-Algebren verwendet werden. Da die Hopf-Algebra der Vektorfelder grösser ist als die universelle Einhüllende der Lie-Algebra, sind allgemeinere Deformationen möglich als bisher. Dieses Verfahren wird weiterhin auf die Heisenbergalgebra mit Minkowski-Signatur angewendet. Dadurch erhält man eine fundamentale Verallgemeinerung der Quantenmechanik, motiviert als gravitativer Hochenergieeffekt. Nichtkommutativität wird dadurch in Abhängigkeit von Energie und Impuls gesetzt. Technisch wird dazu das Quantisierungsverfahren von Weyl und Moyal formalisiert. Die Mehrfachanwendung von Twists wird eingeführt.
Fakultät für Physik - Digitale Hochschulschriften der LMU - Teil 02/05
Due to the singularities arising in quantum field theory and the difficulties in quantizing gravity it is often believed that the description of spacetime by a smooth manifold should be given up at small length scales or high energies. In this work we will replace spacetime by noncommutative structures arising within the framework of deformation quantization. The ordinary product between functions will be replaced by a *-product, an associative product for the space of functions on a manifold. We develop a formalism to realize algebras defined by relations on function spaces. For this porpose we construct the Weyl-ordered *-product and present a method how to calculate *-products with the help of commuting vector fields. Concepts developed in noncommutative differential geometry will be applied to this type of algebras and we construct actions for noncommutative field theories. In the classical limit these noncommutative theories become field theories on manifolds with nonvanishing curvature. It becomes clear that the application of *-products is very fruitful to the solution of noncommutative problems. In the semiclassical limit every *-product is related to a Poisson structure, every derivation of the algebra to a vector field on the manifold. Since in this limit many problems are reduced to a couple of differential equations the *-product representation makes it possible to construct noncommutative spaces corresponding to interesting Riemannian manifolds. Derivations of *-products makes it further possible to extend noncommutative gauge theory in the Seiberg-Witten formalism with covariant derivatives. The resulting noncommutative gauge fields may be interpreted as one forms of a generalization of the exterior algebra of a manifold. For the Formality *-product we prove the existence of the abelian Seiberg-Witten map for derivations of these *-products. We calculate the enveloping algebra valued non abelian Seiberg-Witten map pertubatively up to second order for the Weyl-ordered *-product. A general method to construct actions invariant under noncommutative gauge transformations is developed. In the commutative limit these theories are becoming gauge theories on curved backgrounds. We study observables of noncommutative gauge theories and extend the concept of so called open Wilson lines to general noncommutative gauge theories. With help of this construction we give a formula for the inverse abelian Seiberg-Witten map on noncommutative spaces with nondegenerate *-products.
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