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Asymmetric graphs with quantum symmetry | BIMSA-Tsinghua Quantum Symmetry Seminar

Abstract In this talk, l will present a seguence of graphs which have trivial (classical) automorphism groupand non-trivial quantum automorphism group, which we believe to be the first known exampl...
Deformation theory, Fukaya's conjecture and the Gross-Siebert program | Geometry and Dynamics

Abstract In this talk, we review the story of constructing miror Calabi-Yau manifold from a Lagrangraintorus fibration, beginning with Fukayas conjectural construction using gradient flow trees an
On commutators of quadratic operators | BlMSA-Tsinghua Quantum Symmetry Seminar

Abstract A bounded linear operator A is said to be quadratic if there is a polynomial p of degree 2 suchthat p(A)=0. Square zero operators, involutions, and idempotents are all typical
Distinguished Lecture Applications of Quantum Cohomologyto Birational Geometry II

Abstract Theory of quantum multiplication and Gromov-Witten invariants of a smoothprojective algebraic variety X deals with enumerative questions concerningcurves in X. A long time ago physicists E...
Moduli Spaces and Related Topics | Hodge properties of confluent hypergeometric connections

Abstract: Sabbah and Yu computed the irregular Hodge numbers associated with hypergeometric connections. In this talk, we introduce a new approach for hypergeometric connections whose defining
Gravity: bulk, boundary, corners

Abstract I will review four-dimensional gravity in the coframe-and-connection formulation (a.k.a. Palatini–Cartan formalism) and what it entails on boundaries (e.g., on Cauchy surfaces) and on
Seminar series on Fano varieties, singularities, and related topics

Complements: sketch of proofs of main results of [1] This is an online learning seminar series on Birkar's multiple work on Fano varieties, singularities, and related topics. The focus will be on
On the Erds-Ginzburg-Ziv Problem in large dimension | Research seminar in Discrete Mathematics

Abstract The Erds-Ginzburg-Ziv Problem is a classical extremal problem in discrete geometry. Givenpositive integers m and n, the problem asks about the smallest number s such that among any spoints...
A connection between the topological vertex and multi-component KP hierarchy| BIMSA Integrable

Abstract The topological vertex, developed by Aganagic, Klemm, Marino and Vafa, provides an explicitalgorithm to compute the open Gromov-Witten invariants of smooth toric Calabi-Yau threefolds
Differential Geometry Seminar | Minimal slopes for complex Hessian type equations

Abstract： The existence of smooth solutions to a broad class of complex Hessian type equations is related to nonlinear Nakai type criteria on intersection numbers on Kahler manifolds. Such a Nakai

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