. [Slides] [Video], David Jordan (University of Edinburgh) Connect and share knowledge within a single location that is structured and easy to search. Of course, I do not justify equally wrong comments from certain string theorists Georgios Linardopoulos (Wigner Research Centre for Physics) 4. June 14-18, 2021: String-Math 2021 (Plenary talk), IMPA, Rio de Janeiro, Brazil. Abstract: Recently, higher categorical understandings of quantum field theories have been rapidly developing. Abstract: The theory of Categorical Enumerative Invariants (CEIs) is a non-commutative generalization of the theory of Gromov-Witten invariants. IMPA, Rio de Janeiro, June 14 18, 2021 Turned into an online eventSpeaker: Si Li (Tsinghua University)Lecture title: Elliptic chiral homology and quantum master equationEvent page: http://bit.ly/stringmath2021Videos playlist: https://bit.ly/3v2lHlsThe series of String-Math conferences has developed into a central event on the interface between mathematics and physics related to string theory, quantum field theory and neighboring subjects. I just work on Theoretical Physics topics. Why are trials on "Law & Order" in the New York Supreme Court? Abstract: Since 2017, knots and symmetric quivers are known to be intimately related via BPS spectra. Title:Plumbing graphs with matter I wonder how to find the number of ternary strings that have at least one 0, one 1 and one 2. Chen-Te Ma (Asia Pacific Center for Theoretical Physics) When the quiver comes from a smooth local toric Calabi-Yau 3-fold, we obtain a generalization of shifted Yangian, which acts on the cohomology of the moduli space of certain sheaves of the 3-fold. In other words, a ternary string is a n-permutation with a repetion of the set {0,1,2}. https://8ecm.si/prizes, Ashoke Sen has computed the logarithmic corrections to the Bekenstein-Hawking entropy of various standard black hole solutions in this paper. I just had a look at that session, and more than anything, felt sorry seeing such eminent physicists giving such vacuous reasons just for the sake of defending a theory they have worked on for a long time. Abstract: The spectrum of BPS states in D=4 supersymmetric field theories and string vacua famously jumps across codimension-one walls in vector multiplet moduli space. In this tutorial, we'll discuss various approaches to evaluate a math expression using Java. Symmetries, Horizons, and Black Hole Entropy [https://arxiv.org/abs/0705.3024] Finally, we will discuss one recent example (joint with Justin Hilburn) that can be completely understood mathematically: abelian 3d mirror symmetry. Sen is saying hell give up on string theory if people prove that string theory is inconsistent, but Minwalla and Witten are saying there is no definition of the term string theory. Enter your email address to subscribe to this blog and receive notifications of new posts by email. [Slides] [Video], Lauren Williams (Harvard University) But this is just an opinion. The only game in town in fundamental physics now is to give up on a theory of the real world. We introduce a. new idea, boundary averaging, to address the question: Does averaging also work well in AdS/BCFT? In particular, i can not find a derivation of any black hole entropy from first principles in quantum gravity outside of string theory. String Theory remains the most magical structure we have encountered in theoretical physics and the magic seems directly connected to the particle physics of the real world This is a joint work with Kwokwai Chan and Ziming Ma. Enjoy. The linking numbers of plumbing graphs are interpreted as the effective mixed Chern-Simons levels of 3d N=2 theories with chiral multiplets. String-Math 2021 conference (IMPA, Rio de Janeiro), [R = Review lecture] ; [D = Discussion session] ; [T = Research talk] ; [P = Public lecture] ; [S = Starting/Summary talks] ; [G = Gong-show talk]. His third talk emphasizes thinking of space-time vectors as two by two matrices (see section 40.4 of my QM book). Title: Categorical Enumerative Invariants From the README: What is a word for the arcane equivalent of a monastery? Not all N = (0, 4) boundary conditions admit such deformations. Its explicit description as a QFT has remained elusive. Weekly on Mondays 2:10 PM (Pacific Time) Meetings are in-person, at 402 Physics South. Math 250 (Vector Analysis) . You are either blinded or so convinced by the idea that string theory has nothing to say about Physics, that you pick any phrase that adds to your view of things. But in my view a real mistake in the long run. To summarize the situation, now as it has ever been: 1. [Slides] [Video], Nikita Nekrasov (Simons Center for Geometry and Physics) Unfortunately I dont think Arkani-Hamed has any compelling argument against string theory implies landscape implies nothing to say about particle physics. But I believe that in todays update of this post you were not intellectually honest. One can add superpotentials, which lead to Seiberg-like dualities between plumbing graphs with triangles. Abstract: In this talk, I will revisit the construction of heterotic ALE instantons and the corresponding T-dual systems in 6D little string theories (LSTs). 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. Does a barbarian benefit from the fast movement ability while wearing medium armor? It is expected that the right mathematical structure to capture physical properties of such symmetries is that of higher-categories. CEIs are associated to an arbitrary Calabi-Yau category, together with a splitting of the Hodge filtration. NN-QFT Correspondence. The problem is not that its too new to be evaluated properly, but that its been a failure. Berkeley Informal String-Math Seminar. As a result, he sees the current situation as. Are there any actual attempts in the literature to build such an intrinsically quantum theory, or is this just pie in the sky? In our examples we find agreement with the flux modularity conjecture of Kachru, Nally, and Yang. Nov 22-26, 2021: Higher structures in geometry and physics, Chern Institute of Mathematics, Nankai University 9. He never actually gets anywhere near discussing the topic of the title for the talks, but does give a very nice leisurely introduction to computing amplitudes for zero-mass particles. June 14-18: Pre-Strings 2021 school (IIP, Natal), [D] Nima Arkani-Hamed (Institute for Advanced Study), [T] Horacio Casini (Centro Atmico Bariloche), [T] Lorenz Eberhardt (Institute for Advanced Study), [T] Clifford Johnson (U of Southern California), [D] Vladimir Kazakov (Ecole Normale Superieure), [T] Zohar Komargodski (Simons Center for Geom. Strings 2022 Summary Talk. Abstract: Superconformal field theories with 8 supercharges in spacetime dimensions 3 to 6 have a large moduli space of vacua. Correlation functions in the worldsheet theory on AdS_3 are shown to agree with those of the dual CFT_2, with both being given in terms of branched covers. it is true that experiments are real physics. In this talk, I will review the probabilistic construction and its equivalence with the bootstrap construction used in the physics literature. Using Hands-On Tools to Monitor Progress and Assess Students in Math. We also explain how these invariants and homologies will be categorified in the process, and discuss their higher categorification. The following articles by Carlip provide a nice overall perspective, drawing attention to the universality of BH entropy derived in different approaches to QG what he refers to as an embarrassment of riches. 1. Philip Candelas Asking for help, clarification, or responding to other answers. Title: Holomorphic boundary conditions for topological field theories via branes in twisted supergravity operators, and function (e.g. [Slides], Nicolo Piazzalunga (Uppsala University) Probably not if you ask me. 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. While Ooguri has his own interpretation about this observation (incoming flux of young people in the field is as healthy as ever), I wonder what others think about it. Hope you will find them as a useful starting point. More operators/functions can be easily defined with the Calculation.defineOperator method: If you don't want to use eval you will have to use an existing expression evaluator library. Title: Homological blocks and R-matrices Here is an implementation of the Shunting-yard algorithm with additional support for unary prefix (e.g. 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). The whole tone of the discussion was pretty depressing. a proponent of string theory but also a well-known populariser of science, . [Slides], Pawe Ciosmak (IDEAS NCBiR) Math 302 (Vector Analysis and Integration on Manifolds) Spring 2021. [Slides] [Video], Mirjam Cvetic (University of Pennsylvania) The Ryu-Takayanagi formula then encodes the fractal dimension of the boundary, while the extremal surfaces encode an important part of the geometry of the buildings, showing a new interplay between ideas from holography and geometric group theory. There will also be a public lecture and outreach activity Ask a String Theorist during the weekend. 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. David Morrison (University of California) T-duality then becomes a fibre-base duality of the threefold which allows us to compute the little-string-charges directly from the Kac labels of the dual gauge groups. Enjoy, This solution also clips whitespaces and checks for duplicating operators, e.g. ' The knot homology is calculated from homs between particular branes, and we are able to construct projective resolutions of these branes in terms of thimbles, making the computation entirely algebraic. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Abstract: In 2002, Fukaya proposed a remarkable explanation of mirror symmetry detailing the SYZ conjecture by introducing two correspondences: one between the theory of pseudo-holomorphic curves on a Calabi-Yau manifold X and the multi-valued Morse theory on the base B of an SYZ fibration p : X B, and the other between deformation theory of the mirror X and the same multi-valued Morse theory on B. Adrian Langer 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. [Slides] [Video], Sunghyuk Park (California Institute of Technology) In other physical contexts you have different symmetries than Poincare, often approximate symmetries. (not not) operator in JavaScript? 4. Suomynona, Exactly because of this. It's december of 2021, and the java world has been rattled by a log4j vulnerability. We provide new the structure that allows this, whose quantisation turns out to be lead to a multimatrix ensemble. 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. Title: Towards F-theory MSSMs 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. ncdu: What's going on with this second size column? In this talk, I will present a match between the large-N saddles of the correlation functions of determinants with semiclassical D-brane configurations in the dual theory, using a spectral curve construction. Miosz Panfil Strings 2021 Summary Talk, So Paulo (June 21 - July 2, 2021) [on-line] . Their scaling dimensions are related to the Laplacian eigenvalues on the manifold. Even beginning PhD students will no longer believe that ST is the only framework that reproduces BH entropy. Evaluator.js is a small, zero-dependency module for evaluating mathematical expressions. Pawe Caputa 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). Unfortunately, finding explicit solutions to the system is a challenging problem due to the existence of an anomaly cancellation condition for the gauge fields. Ironically, the very fact that he had to refer to it at all should alarm them. How useful this will be will depend on the symmetries you have available. Math Talks and Number Strings provide the foundation to help students improve their understanding and comprehension of numbers. [Slides] [Video], Dalimil Mazac (IAS) I watched the entire video on the Poincare group and, although the path was the same as Weinberg, there was a lot of new information I thought it was excellent. Making statements based on opinion; back them up with references or personal experience. The resulting quiver Yangians, together with their trigonometric and elliptic versions, unify various known results and generalize them to a much larger class. Considering two heterotic E8 E8 and Spin(32)/Z2 string theory placed on various background singularities, we expect the heterotic NS5 instantons to fraction. 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. 3 years ago, F_K invariants of knot complements in 3-sphere have been proposed. Greg Moore Im no whit wiser than when I began. Thats interesting, can you give pointers? [Slides], Alex S. Arvanitakis (Vrije Universiteit Brussel) Infinite Analysis 13 Autumn School on Quantum Dilogarithm, Modular Double, and Representation Theory. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, Evaluate an Equation in Javascript, without eval(), Stand-in mathematical replacement for eval. Java basics Unit 2 - Functions and Testing Unit 3 - String & Math Unit 4 - Loops & Algorithms Unit 5 - Classes and objects Unit 6 - Processing libraries Unit 7 - Arrays Unit 8 . August 2-7, 2021: International Congress on Mathematical Physics (ICMP) 2021 (session Quantum Field Theory), Geneva, Switzerland. But this procedure you adopted in this post, is not the best way of understanding science, or communicating it. How can I guarantee that my enums definition doesn't change in JavaScript? So I wrote that list as both an act of rebellion nevertheless also of relive: I dont think one needs to wait for Plancks law to clean up our field through funerals in this century anymore & heres the right point for me to close: Its time for new ideas and we are going to find them. We introduce a new idea, boundary averaging, to address the question: Does averaging also work well in AdS/BCFT? What does "use strict" do in JavaScript, and what is the reasoning behind it? People are attempting to understand things, with the tools at hand. This gives the symmetry algebra action on the categorifiedDT. That looks nothing like the real world, and as Minwalla points out, no one at the Strings conference is even talking about that sort of string theory anymore. Sheldon Katz (University of Illinois) Of course, a few minutes earlier Witten had explained that no one knows what the theory actually is, which means there is no way to show that it is mathematically inconsistent. The next String Math conference will take place on July 10-14, 2023, at the University of Melbourne in Australia. I dont think I was misrepresenting those at all. (With exception of a group of very few dedicated researches, to whom I sincerely keep my deep respects.) Abstract: Thepositive GrassmannianGrk,n0is the subset of the real Grassmannian where all Plcker coordinates are nonnegative. StringStringfinal . (iii) Most superstring calculations are performed under euclidean worldsheet for many practical reasons, as we all know and love from Wicks rotation in standard q.f.t.s. While the community just spread out to other problems. Quantum physics studies the smallest objects in the universelike atoms and subatomic particleswhile general relativity typically focuses on larger-scale objects in the universe. 3. But it is clear that these colleagues are attempting to understand topics in QFT and Gravity, with the tools they have at hand. How can I find out which sectors are used by files on NTFS? In addition, distinct tensor branch data obtained from 6D theories with a single instanton inspire us to classify heterotic strings probing ADE singularities. commutative) spacetime case is well-known to yield the Yang-Mills(-Higgs) theory, namely almost-commutative manifolds, has to be replaced by its fuzzy counterpart already the classical level. Nikita Nekrasov The CY manifolds admitting supersymmetric flux vacua can be associated to elliptic, Hilbert, or Bianchi modular forms, depending on the field the complex structure moduli of the CY take values in. Abstract: Currently, there is a strong interest in the study of non-invertible symmetries of quantum field theories. Just like in the smooth case, one can ask about the multiplicities of BPS states that now carry an additional discrete charge. I will discussa phenomenon similar to Frobenius of modular representation theory. Jackiw-Teitelboim/PeterH, This is a truly fundamental idea about space time geometry that gets too little attention in most physics courses. Organized by Mina Aganagic , Ivan Danilenko , Andrei Okounkov, and Peng Zhou. Check this JSBenchmark. Title: Giant Gravitons in Twisted Holography Youre right that I was cherry-picking, but in the sense of ignoring the huge amount of hype about what great progress was being made, and sticking to writing about certain places where people like Arkani-Hamed or Witten chose to address the real problems (which most of the time are studiously ignored). The resulting quivers highlight fractionalization of those branes, that we determine for single and multiple brane stacks. Goodbye eval()! Abstract: I will discuss the theory of Dirac operators perturbed by the Coulomb potential in an arbitrary dimension. you see Ed Witten, and then Shiraz Minwalla, basically agreeing with you. The recording of the lecture can be found here. Abstract: I will explain some recent and ongoing work on the state spaces associated to 3-manifolds in the Kapustin-Witten twists of 4d N=4 SYM. Strings 2021 started today, program is available here. This story also relates to the higher-form global symmetry. To each 3-manifold equipped with a spin^c structure, is supposed to assign a q-series with integer coefficients that is categorifiable and provides an analytic continuation of the Witten-Reshetikhin-Turaev invariants. 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. 2. 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. We construct a trace map on the elliptic chiral homology of the free beta gamma-bc system using the BV quantization framework. Nothing will be said about multiverses or swampland on what follows. What hes doing is emphasizing ideas that are often not taught in conventional QFT courses (although they should be). [Slides] [Video], Yaping Yang (University of Melbourne) How to transform string into integers and operators in Javascript? Maxim Kontsevich (IHS) [Slides], Kasia Budzik (Perimeter Institute) I strongly disagree with you about the issue of the intellectual honesty of my account of what Witten and Arkani-Hamed had to say. Title: Algebras and Entropies This is joint work with Mark Gross. , self-confidence, went through a Faustian-like monologue, if you allow me a little of prose: Ive studied, Schwarz, alas, Polchinski, Nicolai Reshetikhin Hiraku Nakajima Wittens answer is that this was just a vague hope, that the duality ideas are now 25 years old, we havent progressed beyond them, need something new. Jacek Paweczyk Brittany Goerig | Oct 14, 2020 | 00:56:54. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Zygmunt Lalak Green and Witten, recto and verso I agree with Felix. Chrome's Content Security Policy will still throw EvalError, Creating constructor doesn't make sense here and it takes unnecessary resources. Title: Topological Langlands duality and 1-form symmetries We present a novel construction of such flux vacua in permutation-symmetric multiparameter compactifications, and develop methods for efficiently computing the zeta functions of the corresponding geometries. We have a lunch on the 4th floor of Physics South before the seminar. But regarding superstrings, from such a strong statement one would expect at least proof (not rigorously by mathematical standards of course!) Note also that I was making no comment about the work people were presenting at the conference, was sticking to discussing particular important points about the current state of the subject being made by the two most talented and hard-w0rking leaders of the field. Abstract: Liouville field theory was introduced by Polyakov in the eighties in the context of string theory. During professional development, the authors learned about strings--a powerful instructional routine used in elementary classrooms to elicit students' mental mathematics strategies and use those strategies to build conceptual understanding. Notes (with animations), Video. Progress in D=4, N=2 Field Theory, Strings-Math 2012, Bonn, July 2012 Powerpoint presentation here . Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 2014 June. (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). How to evaluate string mathematical expressions in java script? Title: Revisiting Heterotic ALE Instantons: F-theory, 2-groups, and T-duality If people think carrying on this argument is a good use of their time, they are encouraged to do so elsewhere. 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. Abstract: I will describe a close analogy between the spectral geometry of hyperbolic manifolds and conformal field theory. Czy wyraasz na to zgod? Due to its interaction, the system density matrix and operators within the system Hilbert space evolve non-unitarily. Solutions to this system describe compactifications of heterotic string theory with N=1 supersymmetry on a 7-dimensional manifold. String-Math, June 2013. . [Slides] [Video], Dan Freed (University of Texas at Austin) Abstract: Cosmic censorship as a conjecture about classical General Relativity is now understood to be false in both higher dimensional asymptotically flat space and four-dimensional AdS. We can exhibit for instance a duality between a trivial bundle with abelian isometries and a non-trivial *bibundle* with a nonabelian Poisson-Lie group action. Abstract: I will review the Cohomological Hall algebra associated to a quiver and an oriented cohomology theory. Theres a lot of repetition of tired old arguments from decades ago, zero acknowledgement that things have not worked out as hoped. Abstract: The six-dimensional superconformal field theory associated to an ADE Lie algebra plays a key role in the AGT correspondence. I think a better service to the public would be made by discussing things that are well established, rather that the permanent focus on what is coming/the future etc. Richard Thomas Title: Deriving Gauge-String Duality The latter approach allows to realize holomorphically and topologically twisted field theories directly as worldvolume theories in deformed supergravity backgrounds, and we make extensive use of this. Recently, a rigorous probabilistic construction of the path integral was provided using the Gaussian Free Field. 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. [Slides] [Video], Pierrick Bousseau (ETH Zrich) Can I did this command pattern if I declare the operator how it were a variable? of topological string partition functions. APCS. Dec 18, 2021 at 16:43. Inspired by definitions of abstract (finite) groups and algebras and their linear actions, we introduce a framework for these symmetries in field theory. Strings 2021 started today, program is available here. [Slides]. As an application, I will use conformal bootstrap techniques to obtain new rigorous bounds on the first positive Laplacian eigenvalue of hyperbolic orbifolds. Talks are available for watching every day via Youtube, links are on the main page. We also provide the action of braiding on the relevant branes, so we can calculate Khovanov homology for any knot given its braid representation. The real stuff happens in physics without a press release, book, or blog. Abstract: Recently there has been lots of activity surrounding generalized notions of symmetry in quantum field theory, including categorical symmetries, higher symmetries, noninvertible symmetries, etc. [Slides], Muyang Liu (Uppsala University) https://arxiv.org/pdf/0809.0305.pdf, Already at p.1 one reads, The Problem: According to textbooks, the passage from classical mechanics to quantum mechanics is made by replacing Poisson brackets with commutators. Motived by (twisted) holography (following Costello, Gaiotto, Li, and Paquette) we find a holomorphic model describing the minimal twist of the six-dimensional theory. Off topic, but the European congress of Mathematics has finished up. Little string theories also possess T-duality as well as higher form- and group symmetries. From a mathematical perspective, these solutions involve interesting constructions in geometry such as integrable G2-structures and G2-instantons. Of course even his brightest former student couldnt accept that: The experimental community pretty much politely ignores the string theory community, and has, well, since 1974 or so when the analytic S-matrix failed to predict the charmed quark. Non-QG QFT derivations that are not attempting to identify the microstates. But I went through the hard road, being told just to accept all fundamental questions I raised above as unanswered and move on to the cutting-edge problems whatever and whonever decides what these are. [Video], Hulya Arguz (IST Austria) In this talk, I will give a slightly abstract explanation of this phenomenon, at least for the case of a black hole. 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). 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. It seems that no one in the string theory community dares to publicly breathe a word of skepticism. Zhengping Gui (International Centre for Theoretical Physics) Their definition involves subtle boundary conditions. Ive personally never understood why showing that (unphysical limits of) your quantum theory gives the expected semi-classical result is anything other than a rather weak consistency check on your theory. Title: Spectrum in quantum mechanics and deformed periods [online talk] This is damaging. Participant responses to online questionnaire, Clickhereto use the Slack workspace of Strings 2021. I did watch fully the discussions I wrote about here, also took a look at many of the others.

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