Braces are not supported, am I right? The only game in town in fundamental physics now is to give up on a theory of the real world. I will present recent progress in this direction in the simplest case of local $P^2$, and argue that its global BPS spectrum and flow tree structure can be deduced from a scattering diagram with simple initial data. In a different direction, I will in this talk present a conjectural picture relating holomorphic Floer theory of complex integrable systems to Donaldson-Thomas invariants. Im no whit wiser than when I began. [Slides] [Video], Antoine Bourget (CEA Saclay) Abstract: The six-dimensional superconformal field theory associated to an ADE Lie algebra plays a key role in the AGT correspondence. We prove a reformulation of the main conjecture in Fukayas second correspondence, where multi-valued Morse theory on the base B is replaced by tropical geometry on the Legendre dual B. Tarasa Szewczenki oraz w Instytucie Matematyki Ukraiskiej akademii Nauk w Kijowie, a nastpnie uzyskaa stopie magistra na uniwersytecie w Kaiserlautern, oraz stopie doktora w 2013 r. na uniwersytecie w Bonn w Niemczech. In two dimensions, thesebounds allow us to determine the set of first eigenvalues attained by all hyperbolic orbifolds. [Slides], Carlos Perez-Sanchez (University of Heidelberg) Abstract: I will describe a close analogy between the spectral geometry of hyperbolic manifolds and conformal field theory. [Slides]. This approach is based on 2105.06039 and is joint work with Aganagic and Rapcak. Yuji Tachikawa sqrt()) notations. Over-claim? The LQG example hardly qualifies if you do not have any way to fix the Immirzi parameter and just tune it to get the desired result. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Shing-Tung Yau (Harvard University), The interpretation of semiclassical gravity as an average of CFTs has provided much progress in understanding the factorization problem and the information paradox. Strings 2021 started today, program is available here. Richard Thomas Joerg Teschner (DESY) Elements of this Hilbert space can be thought of as local operators living in a (d-1)-dimensional spacetime. Physical Review, 85(4), p.631. crickets]. [Slides] [Video], Sam Raskin (University of Texas at Austin) , self-confidence, went through a Faustian-like monologue, if you allow me a little of prose: Ive studied, Schwarz, alas, Polchinski, From this description, we propose a symmetry for the space of instantons on C^2 by an exceptional super Lie algebra called E(3|6). Moving away from such orbifold points requires generalizing the flow tree formula from the Abelian category of quiver representations to the derived category of the same. A limit involving the quotient of two sums. If youre so concerned about the public or physics community getting misled, surely youve contacted the organizers of and participants in the conferences Outreach activities. He discusses the swampland philosophy, but gives as a challenge to theorists just making more precise the sort of empty question that this philosophy deals in (he asks whether D=9 SU(2021) to the power 2021 is in the swampland). Recently, a rigorous probabilistic construction of the path integral was provided using the Gaussian Free Field. Physically, flow treesprovide a mesoscopic representation of BPS states as nested multi-centered bound states of elementary constituents. Organizing Committee:Henrique Bursztyn (IMPA)Reimundo Heluani (IMPA)Marcos Jardim (IMECC-UNICAMP)Gonalo Oliveira (UFF) Scientific Committee:Anton Alexeev (Universit de Genve)David Ben-Zvi (University of Texas)Alexander Braverman (Brown University)Ron Donagi (University of Pennsylvania)Giovanni Felder (ETH Zrich)Dan Freed (University of Texas)Edward Frenkel (University of California)Marco Gualtieri (University of Toronto)Nigel Hitchin (University of Oxford)Sheldon Katz (University of Illinois)Maxim Kontsevich (IHS)David Morrison (University of California)Andrei Okounkov (Columbia University)Vasily Pestun (IHS)Boris Pioline (Sorbonne Universit \u0026 CNRS)Nicolai Reshetikhin (University of California)Pedro Vieira (Perimeter Institute for Theoretical Physics)Katrin Wendland (Albert-Ludwigs-Universitt Freiburg)Edward Witten (Institute for Advanced Study)Shing-Tung Yau (Harvard University \u0026 The Chinese University of Hong Kong)Maxim Zabzine (Uppsala University)Steering Committee: Ron Donagi (University of Pennsylvania)Dan Freed (University of Texas at Austin)Nigel Hitchin (University of Oxford)Sheldon Katz (University of Illinois)Maxim Kontsevich (IHS)David Morrison (University of California)Hiroshi Ooguri (Caltech \u0026 IPMU)Boris Pioline (Universit Pierre et Marie Curie)Joerg Teschner (DESY)Edward Witten (Institute for Advanced Study)Shing-Tung Yau (Harvard University)Redes Sociais do IMPA: https://linktr.ee/impabrIMPA - Instituto de Matemtica Pura e Aplicada https://impa.br | http://impa.br/videos#stringmath2021 Os direitos sobre todo o material deste canal pertencem ao Instituto de Matemtica Pura e Aplicada, sendo vedada a utilizao total ou parcial do contedo sem autorizao prvia e por escrito do referido titular, salvo nas hipteses previstas na legislao vigente.The rights over all the material in this channel belong to the Instituto de Matemtica Pura e Aplicada, and it is forbidden to use all or part of it without prior written authorization from the above mentioned holder, except in the cases prescribed in the current legislation. I will illustrate this construction on examples of low rank 4d N=2 SCFTs. [Slides] [Video], Davide Gaiotto (Perimeter Institute) The choice of flat connection at infinity for E8 or Spin(32)/Z2 respectively captures the feature of the 6D conformal matter theory built on F-theory geometry. I strongly disagree with you about the issue of the intellectual honesty of my account of what Witten and Arkani-Hamed had to say. This jargon sounds a bit confusing. TheAttractor Flow Tree conjecture postulates that the BPS index $\Omega(\gamma,z)$ for given charge $\gamma$and moduli $z$ can be reconstructed from the`attractor indices $\Omega_*(\gamma_i)$ counting BPS states of charge $\gamma_i$ in their respective attractor chamber, by summing over all possible decompositions $\gamma=\sum_i \gamma_i$ and over decorated rooted flow trees. Even without LQG, there are many ideas on/in QG which are physically well founded. There are slight differences regarding scoping, but they mostly behave the same, including exposure to much of the same security risks: You can't, at most you could do something retort like parsing the numbers and then separating the operations with a switch, and making them. Miosz Panfil We provide significant evidence that averaging plays an important role in reproducing. What does "use strict" do in JavaScript, and what is the reasoning behind it? Using Hands-On Tools to Monitor Progress and Assess Students in Math. Can I tell police to wait and call a lawyer when served with a search warrant? 2. What is the !! In this talk, I will give a slightly abstract explanation of this phenomenon, at least for the case of a black hole. Abstract: Since 2017, knots and symmetric quivers are known to be intimately related via BPS spectra. If you're looking for a syntactical equivalent to eval, you could use new Function. In this talk, I explain an ongoing work to combine them, and to give a higher relations between QFTs and differential cohomology. Abstract: This talk summarizes recent developments aimed towards F-theory constructions of MSSMs, i.e. Quantum physics studies the smallest objects in the universelike atoms and subatomic particleswhile general relativity typically focuses on larger-scale objects in the universe. Enjoy. F-theory vacua with exactly one Higgs field and no vector-like exotics. We determine the T-dual theories and match those global symmetries across the dualities. Still, I think the best choice you can make is to use eval, given that you're able to trust the source of the string. Adrian, Certificates YouTube live YouTube playlist of the lectures The only message I hear repeatedly is that String theory is the only game in town. The general picture is nicely illustrated by the Borel On the other hand, differential cohomology theories, whose relationships with physics are classical, are most modernly understood in terms of sheaves on manifolds with values in (\infty, 1)-categories. In the discussion section, Vafa challenges him on this, saying he sees no indication that quantum information theory gives any insight into dualities he sees as the central aspect of the non-perturbative theory. 3. The simplest example is the qubit. A ternary string is a sequence of n symbols that has some of the digits 0, 1, 2. Abstract: In this talk I will introduce a refined notion of Gopakumar-Vafa invariants on singular Calabi-Yau threefolds that generate a discrete gauge symmetry in M-theory. Title: On topology change in Poisson-Lie T-duality Title: Quantum curves and vertex algebras I did watch fully the discussions I wrote about here, also took a look at many of the others. General string perturbation theory using 2d conformal field theory. Make an operation based on string, including priority for multiplication and division with vanilla javascript and nodejs. with the exact opposite agenda. Sheldon Katz (University of Illinois) Since its online only, talks are much more accessible than usual (and since its free, over 2000 people have registered to in principle participate via Zoom). How can I guarantee that my enums definition doesn't change in JavaScript? Oh, God, how hard Ive slaved away, Of course, I do not justify equally wrong comments from certain string theorists The whole tone of the discussion was pretty depressing. The University of Warsaw The University of Warsaw, founded in 1816, is the largest university in Poland and a leading research centre in the country and in this region of Europe. The talk is based on work in collaboration with Davide Gaiotto. Calculate string value in javascript, not using eval, How Intuit democratizes AI development across teams through reusability. String-Math, June 2013. Thats interesting, can you give pointers? http://silentmatt.com/javascript-expression-evaluator/, http://www.codeproject.com/KB/scripting/jsexpressioneval.aspx, I spent a couple of hours to implement all the arithmetical rules without using eval() and finally I published a package on npm string-math. from 9:30 15:00 in So Paulo (8:30 14:00 in NY, 14:30 20:00 in Paris). Sat 3 Apr 2021 12.00 EDT Last modified on Tue 6 Apr 2021 09.54 EDT. Well, that would be the case if people follow the hype for last 20-30 years or more. If you are interested in what field theories Wittens probably interested in, then I certainly recommend you to follow the on going ICTSs Quantum Field Theory, Geometry and Representation Theory, with Wittens mini-course starting tomorrow: https://www.icts.res.in/program/qftgrt2021/talks, In order to get a feel what is at stake here, start with: Title: Liouville conformal field theory: from the probabilistic construction to the bootstrap construction Albrecht Klemm Abstract: I will review the holomorphic twist of four-dimensional N=1 gauge theories and present the Feynman diagrams which control the perturbative corrections to the twistingsupercharge and to the higher operations available in the twisted theories. The resulting quiver Yangians, together with their trigonometric and elliptic versions, unify various known results and generalize them to a much larger class. [Slides] [Video], Andrei Caldararu (University of Wisconsin Madison) Hope you will find them as a useful starting point. Abstract: Holographic tensor networks are discrete models of AdS/CFT that satisfy complementary recovery of quantum information and the Ryu-Takayanagi formula, which relates the boundary entanglement entropy to the area of extremal surfaces in the bulk. Abstract: Gross and Siebert developed a program for understanding mirror symmetry algebro-geometrically. Simon Donaldson It also gives one a feeling for how Arkani-Hamed works through problems. This is enabledby thesurprisingappearanceof a Penner-like matrix model whose spectral curve turns out to give a Strebel differential. The video is available here , and . [Slides], Kasia Budzik (Perimeter Institute) Its explicit description as a QFT has remained elusive. Our brane engineering approach combines the intersecting brane configurations of HananyWitten with recent work of Costello and Li on twisted supergravity. This will be done in the language of QP manifolds/symplectic L-infinity algebroids which is convenient for showing the duality is a canonical transformation in string phase space, and also provides glimpses of a generalisation towards U-duality and higher branes. I believe that your permanent opposing the string hypes is good and welcomed. This construction gives rise to new quantum groups. And how I regret it, D-branes also Mathematically, they can be identified with the K-theoretic versions of the Donaldson invariants on X. Title: Holomorphic Floer theory and Donaldson-Thomas invariants String Data 2020, CERN, December 2020. Is String Theory a Theory of Nature? Every other answer either uses ify regular expressions or use. Abstract: The D3-D5 and D2-D4 probe-brane systems with nonzero worldvolume flux are holographically dual to N=4 super Yang-Mills and ABJM theory in the presence of half-BPS domain walls. UBC, Vancouver, Canada. Yes, but I cant imagine that Witten was thinking of anything as well known and well understood as a qubit. This public lecture is also a lecture in the Zapytaj fizyka series here is the lecture website. [Slides], Muyang Liu (Uppsala University) We introduce a. new idea, boundary averaging, to address the question: Does averaging also work well in AdS/BCFT? Chrome's Content Security Policy will still throw EvalError, Creating constructor doesn't make sense here and it takes unnecessary resources. Is there some function to create a simple calculator without eval. In 2019, S. Gukov and C. Manolescu initiated a program to mathematically construct via Dehn surgery, and as part of that they conjectured that the Melvin-Morton-Rozansky expansion of the colored Jones polynomials can be re-summed into a two-variable series for knot complements. Edward Witten (Institute for Advanced Study) Of course there are many ways to obtain the BH formula that do not try to identify the microscopic degrees of freedom in a theory of QG, the original calculation from the 70s being an obvious example. [Slides] [Video], Vincent Vargas (University of Geneva) We focus on $\hat Z$ for $SO(3)$ group and orthosymplectic supergroup $OSP(1|2)$. To learn more, see our tips on writing great answers. The point though is that there are plenty of much simpler examples, which often can be understood purely in terms of representation theory. Abstract: Thepositive GrassmannianGrk,n0is the subset of the real Grassmannian where all Plcker coordinates are nonnegative. you see Ed Witten, and then Shiraz Minwalla, basically agreeing with you. Zygmunt Lalak how sensitive is the procedure to choice of k_mu he did the case where k_mu included a boost). Workshop on Categorification and geometric representation theory. Hiraku Nakajima Dan Freed (University of Texas at Austin) Nigel Hitchin (University of Oxford) Since it's online only, talks are much more accessible than usual (and since it's free, over 2000 people have registered to in principle participate via Zoom). lectures on Physics at Future Colliders at the ICTP summer school on particle physics, talk on Connecting String Theory to the Real World We See Outside Our Windows, https://sites.google.com/unifi.it/scri21/program, https://www.youtube.com/watch?v=WwmxaXTnGMI, https://www.youtube.com/watch?v=hk_6EtWUatM. All, The operators satisfy an operator product expansion. Abstract: We revisit Vafa-Witten theory in the more general setting whereby the underlying moduli space is not that of instantons, but of the full Vafa-Witten equations. E-mail:eventos@impa.br, Number Theory, Strings, and Quantum Physics, Edward Frenkel (University of California), David Morrison (University of California), Boris Pioline (Sorbonne Universit &CNRS), Nicolai Reshetikhin (University of California), Pedro Vieira (Perimeter Institute for Theoretical Physics), Katrin Wendland (Albert-Ludwigs-Universitt Freiburg), Edward Witten (Institute for Advanced Study), Shing-Tung Yau (Harvard University & The Chinese University of Hong Kong), Dan Freed (University of Texas at Austin), Boris Pioline (Universit Pierre et Marie Curie). Rafa R. Suszek, Louis Alvarez-Gaume We hereby certify that, Alex Buchel, THE UNIVERSITY OF WESTERN ONTARIO, 1+ 2 *2' // 5 but ' 1 + +2* 2 ' // Error, This shows to be more performant than @vol7ron's solution. Title: Revisiting Heterotic ALE Instantons: F-theory, 2-groups, and T-duality NN-QFT Correspondence. We physically derive (i) a novel Vafa-Witten four-manifold invariant associated with this moduli space, (ii) their relation to Gromov-Witten invariants, (iii) a novel Vafa-Witten Floer homology assigned to three-manifold boundaries, (iv) a novel Vafa-Witten Atiyah-Floer correspondence, (v) a proof and generalization of a conjecture by Abouzaid-Manolescu about the hypercohomology of a perverse sheaf of vanishing cycles, (vi) a Langlands duality of these invariants, Floer homologies and hypercohomology, and (vii) a quantum geometric Langlands correspondence with purely imaginary parameter that specializes to the classical correspondence in the zero-coupling limit, where Higgs bundles feature in (ii), (iv), (vi) and (vii). Another series of talks that I took a look at and that I can recommend is Nima Arkani-Hameds lectures on Physics at Future Colliders at the ICTP summer school on particle physics. I will present a rigorous version of this formula in the context of quivers with potential, which governs the BPS spectrum in type IIA string theory compactified on certain conical Calabi-Yau threefolds, in the vicinity of orbifold-type points in Kahler moduli space. Particularly, the change of variable relating $SU(2)$ link invariants to the $SO(3)$ \& $OSP(1|2)$ link invariants plays a crucial role in explicitly writing the $q$-series. Rio de Janeiro, RJ, CEP 22460-320, Brasil I could go on the whole night, but I believe, as most other string theorists do, there are more urgent or at least doable problems to solve now. How to transform string into integers and operators in Javascript? Jacek Paweczyk Are there any actual attempts in the literature to build such an intrinsically quantum theory, or is this just pie in the sky? He notes that to get at non-perturbative string theory we seem to need some more general understanding of quantum theories, going beyond the usual quantization starting with an action, and ends by saying maybe quantum information theory can help. The string community has been dishonest for at least 20 years, and has absolutely no right to give any lessons about ethics in science. AP Computer Science A 2021-22. Just viewed the last question and answer session. How to store objects in HTML5 localStorage/sessionStorage. There are many equivalent graphs that are related by Kirby moves which are interpreted as integrating out gauge nodes from the perspectives of 3d theories. Abstract: During my presentation, I will discuss certain equivalences between conformal field theories with a continuous spectrum: Liouville theory, its supersymmetric extension, and models based on the affine su(2) algebra with irrational level. Interestingly, most of the structures uncovered have a fractal boundary at infinity, which possesses a rich geometric structure. Sorry, but deleted various attempts to carry on the experimentalist vs. theorist mudfight of Ellis_AND_Wooster/Andr. The two-step procedure involves first finding points on the Calabi-Yau manifold and then approximating the Ricci-flat metric by approximating solutions to the underlying Monge-Ampere equation. String Math 2021 IMPA, Rio de Janeiro, June 14 - 18 Program Break. Making statements based on opinion; back them up with references or personal experience. Announcement String Math 2022 Lorenz Eberhard(IAS) String correlators on AdS3 17:00 - 17:50 14:00 - 14:50 Melissa Liu(Columbia University) Wall-Crossing for the Mirror Quintic . To address this issue, we use the fusion-matrix bootstrap, which is recently developed in the context of the light-cone bootstrap. To begin with, we'll discuss a few third-party libraries and their usage. (ii) Every-time I receive a grant report asking for resources, penned by a senior string theorist, Im already able to guess the 1st lines: ST is the only mathematically consistent candidate for understanding quantum gravity while providing a framework potentially unifying all know fundamental interactions. Im posting this since I thought it could be useful for those very busy hep-ph physicists who may wish to go directly to (what I & surely many others) considers as the key moment from perspective lectures. In the presence of chiral multiplets that are added to plumbing graphs, we show that ST-transformations lead to many equivalent plumbing theories, and hence generalize the scope of Kirby moves. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Title: Langlands duality for 3-manifolds If youre so concerned about the public or physics community getting misled, surely youve contacted the organizers of and participants in the conferences Outreach activities , To this I was referring with my phrase How to properly convert string into int to calculate in JS? If one knows how to read between the lines, then at this lecture you finally can hear what, in different words, could well be re-phrased as: the search for M-theory using dualities failed. The plumbing graphs with matter can be viewed as certain kinds of quiver diagrams for 3d N=2 theories. [Slides] [Video], Wei Li (Chinese Academy of Sciences) Besides reviews of major developments in the field and specialized talks on specific topics, an important novelty will be several informal discussions involving two researchers and the conference participants. Jerome Gauntlett, Rajesh Gopakumar, Mariana Grana, Michael Green, David Gross, Daniel Grumiller, Jeff Harvey, Marc Henneaux, Veronika Hubeny, Marina Huerta, Janet Hung, Antal Jevicki, Clifford Johnson, Shamit Kachru, Zohar Komargodski, Finn Larsen, Yolanda Lozano, Kimyeong Lee, Dieter Luest, Juan Maldacena, Shiraz Minwalla, Jeff Murugan, Rob Myers, Hirosi Ooguri, Leo Pando-Zayas, Silvia Penati, Fernando Quevedo, Eliezer Rabinovici, John Schwarz, Nathan Seiberg, Ashoke Sen, Steve Shenker, Eva Silverstein, Wei Song, Andy Strominger, Tadashi Takayanagi, Sandeep Trivedi, Cumrun Vafa, Pedro Vieira, Anastasia Volovich, Spenta Wadia, Edward Witten, Konstantin Zarembo. String Math 2021, held online by IMPA, Rio de Janeiro, Rio de Janeiro, June 14 - 18, 2021. String Math 2021 - Denis Auroux (Harvard University) 2,124 views Jun 14, 2021 32 Dislike Share Save Instituto de Matemtica Pura e Aplicada 99.2K subscribers Nicolai Reshetikhin Zhengping Gui (International Centre for Theoretical Physics) (UoS & CNRS) Quantum G & of Looijenga pairs Berkeley String-Math 2021 Overview The two main messages: 1ve (different, but equivalent) string-theory motivated enumerative theories built from (X;D) 2they are all closed-form solvable Joint with P. Bousseau (ETH Zrich/Saclay) and M. van Garrel (Warwick/Birmingham).
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