Abstract:We discuss abelian 3d N=2 theories T[,U(1)] engineered by plumbing manifolds . Abstract: I will review the Cohomological Hall algebra associated to a quiver and an oriented cohomology theory. - rgbk21. Making statements based on opinion; back them up with references or personal experience. Abstract: Twisted holography relates the 2d chiral algebra subsector of N = 4 SYM to the B-model topological string theory on the deformed conifold SL(2,C). Can I did this command pattern if I declare the operator how it were a variable? The only game in town in fundamental physics now is to give up on a theory of the real world. How is Jesus " " (Luke 1:32 NAS28) different from a prophet (, Luke 1:76 NAS28)? Enjoy, This solution also clips whitespaces and checks for duplicating operators, e.g. ' Jacek Paweczyk String Math 2021, held online by IMPA, Rio de Janeiro, Rio de Janeiro, June 14 - 18, 2021. CICADAS [i.e. Abstract: Knizhnik-Zamolodchikov equation, originally found in the context of a two dimensional conformal field theory, has recently been found in the context of instanton counting, albeit with a significantly extended domain of allowed parameters (level, spins etc). Abstract: The problem of quantization of noncommutative spaces (spectral triples) is addressed first in a finite-dimensional, Euclidean setting (thus referred to as random noncommutative geometry, or Dirac ensambles). At the hand of several examples I will illustrate that this phenomenon is generic and that most Calabi-Yau threefolds admit such degenerations and a corresponding refinement of the invariants. UBC, Vancouver, Canada. We highlight prototype examples of elliptically fibered non-compact Calabi-Yau fewfolds and comment on the fate of these symmetries when these spaces become compact. [Slides] [Video], Brian Williams (University of Edinburgh) Abstract: Three-dimensional N =4 supersymmetric field theories admit a natural class of chiral half-BPS boundary conditions that preserve N = (0, 4) supersymmetry. The proof in these cases uses the notion of 1-form symmetries (= co-dimension 2 topological defects) to express PGL(N)-skein modules as certain twisted SL(N)-skein-modules, and then to further relate these to well-known formulas for the cohomology of twisted character varietiesof surfaces. 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. 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]. Math 435 (Differential Geometry) Fall 2020. 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. People interested in string theory/LQG religious warfare argue about the calculations in 3. and 4. 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 this talk, I will give a slightly abstract explanation of this phenomenon, at least for the case of a black hole. Estrada Dona Castorina 110, Jardim Botnico I am currently reading Weinbergs book to fill some holes in my knowledge. Summary Talk. Explicit $q$-series form for $\hat Z$ is known for $SU(2)$ group, supergroup $SU(2|1)$ and ortho-symplectic supergroup $OSP(2|2)$. Oh, God, how hard Ive slaved away, The program is based on two main ingredients: The complex geometry of the underlying moduli spaces on the one hand, and cluster algebra structures defined by BPS- or DT-invariants on the other hand. 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. This uses a combinatorial algorithm computing certain types of GromovWitten invariants encoded in a scattering diagram. I suppose I shouldnt have even let that get started. Once again, this is just an opinion. A place where magic is studied and practiced? All major operations, constants, and methods are supported. lun, Hope you will find them as a useful starting point. 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. As has been the case for many years, it doesnt look like there will be anything significantly new on the age-old problems of getting fundamental physics out of a string theory. Another talk of Penrose (and a conference in his honour): Maxim Kontsevich (IHS) Abstract: I will discuss methods to numerically approximate Ricci-flat metrics for Calabi-Yau n-folds defined as complete intersections in toric ambient spaces. 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). [Slides] [Video], Andrei Caldararu (University of Wisconsin Madison) from 9:30 15:00 in So Paulo (8:30 14:00 in NY, 14:30 20:00 in Paris). Finally, we will talk about the connections between the sphere packing problem and some mysteries of modern physics. To address this issue, we use the fusion-matrix bootstrap, which is recently developed in the context of the light-cone bootstrap. de Lausanne), [D] Nathan Seiberg (Institute for Advanced Study), [T] Ashoke Sen (Harish-Chandra Research Institute), [R]Shu-Heng Shao (Institute for Advanced Study), [T] Yuji Tachikawa (Kavli IPMU and U of Tokyo), [T] Gregory Tarnopolsky (Carnegie MellonU), [T] Gonzalo Torroba (Centro Atmico Bariloche), [D] Edward Witten (Institute for Advanced Study), [G] Ahmadullah Zahed (Bangalore Indian Inst. We introduce a. new idea, boundary averaging, to address the question: Does averaging also work well in AdS/BCFT? [Video], Hulya Arguz (IST Austria) 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. Title: Perturbative calculations in twisted 4d gauge theories [online talk] where the dualisable dimensions are fibred over a `spectator base). [Slides] [Video], Dalimil Mazac (IAS) Green and Witten, recto and verso Solutions to this system describe compactifications of heterotic string theory with N=1 supersymmetry on a 7-dimensional manifold. Elements of this Hilbert space can be thought of as local operators living in a (d-1)-dimensional spacetime. In our examples we find agreement with the flux modularity conjecture of Kachru, Nally, and Yang. [Slides], Aranya Bhattacharya (IISc, Bangalore) 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. 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. String Math 2021 IMPA, Rio de Janeiro, June 14 - 18 Program Break. It fully encodes the geometry, and a simple algorithm allows access to the structure of nested singularities, which corresponds physically to a generalized Higgs mechanism. Title: Path integral derivations of K-theoretic Donaldson invariants To learn more, see our tips on writing great answers. Nothing will be said about multiverses or swampland on what follows. June 14-18, 2021: String-Math 2021 (Plenary talk), IMPA, Rio de Janeiro, Brazil. Abstract: I will explain how to construct BPS algebras for string theory on general toric Calabi-Yau threefolds, based on the crystal melting description of the BPS sectors. If you're looking for a syntactical equivalent to eval, you could use new Function. That would be something like (a real implementation will be somewhat more complex, especially if you consider the use of parenthesis, but you get the idea). Za te oraz inne osignicia otrzymaa wiele prestiowych nagrd i wyrnie, m.in. It's december of 2021, and the java world has been rattled by a log4j vulnerability. Result is the same as without the 'new'. What am I doing wrong here in the PlotLegends specification? As you probably guess from my former comments under the present pseudonym, Im one of those students whom, maybe for lacking courage or ,who knows? This talk is based on joint work with Si Li. Experimentalist: I have to compute QCD, Wikipedia says I need to add unphysical ghosts on a local section and their fiberwise duals and project out the quotient Fock space isomorphic to the supergraded BRST cohomology pullback of the field configuration along a vertical diffeomorphism of the principal BatalinVilkovisky anafestic G-bundle, as if it were antani. fiendish mathematics and mind-boggling . Abstract: Currently, there is a strong interest in the study of non-invertible symmetries of quantum field theories. The qubit example is a bit unfair since in some sense its the quantization of the sphere, although this sphere is not a classical limit of the quantum theory (and sphere isnt a cotangent bundle of some configuration space). 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). Nicolai Reshetikhin . [Slides], Sachin Chauhan (Indian Institute of Technology, Bombay) 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. Others clearly feel differently and think this is of huge significance. Unfortunately I dont think Arkani-Hamed has any compelling argument against string theory implies landscape implies nothing to say about particle physics. One can also Higgs chiral multiplets. for Fundamental Research), [T] Sebastian Mizera (Institute for Advanced Study), [T] Sameer Murthy (Kings College London), [S] Hirosi Ooguri (Caltech and Kavli IPMU), [D] Joo Penedones (cole Polytech. We will explain how ideas from oriented matroids, tropical geometry, and cluster algebras shed light on the structure of the positive Grassmannian and the amplituhedron. This lecture is aimed for the general public and does not request much prerequisites in mathematics. 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 In this talk I will introduce the heterotic G2 system and show how to construct families of solutions using homogeneous 3-Sasakian manifolds with squashed metrics. Title: Holomorphic Floer theory and Donaldson-Thomas invariants Make an operation based on string, including priority for multiplication and division with vanilla javascript and nodejs. https://sites.google.com/unifi.it/scri21/program Title: BPSDendroscopyon local Calabi-Yau threefolds Mark Gross Title: Families of Modular Flux Vacua on Symmetric CY Threefolds 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.
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