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January 28, 2019 / Vasily Krylov (Skoltech, HSE Univ.) = = = On spectra of Laplacians on groups and graphs associated with group actions / abstract February 11, 2019 / Alexander Belavin (Landau Inst., Kharkevich Inst.) = = = JKLMR conjecture and Batyrev’s polytopes February 18, 2019 / Nikita Nekrasov (Simons Center for Geometry and Physics, Skoltech) = = = Surface defects in gauge theories, Painleve VI, and quantum /classical correspondence February 25, 2019 / Yurii Neretin (Univ. of Vienna, ITEP) = = = Infinite-dimensional (G,K)-pairs and train constructions March 4, 2019 / Oleg Lychkovskiy (Skoltech, Steklov Inst.) = = = Mobile impurity in a one-dimensional quantum fluid: Perpetual motion after a local quantum quench / abstract March 11, 2019 / Alexander Gaifullin (Skoltech, Steklov Inst., Moscow Univ.) = = = On cohomology of subgroups of mapping class groups / abstract March 18, 2019 / Piotr Grinevich (Landau Inst., Moscow Univ.) = = = Totally non-negative Grassmannians, M-curves and real regular KP-2 solutions / I / abstract March 25, 2019 / Vasily Golyshev (Kharkevich Inst.) = = = Monodromy of quantum differential equations / abstract April 1, 2019 / Piotr Grinevich (Landau Inst., Moscow Univ.) = = = Totally non-negative Grassmannians, M-curves and real regular KP-2 solutions / II / abstract April 8, 2019 / Martin Moeller (Frankfurt Univ.) = = = Characteristic numbers of billards and intersection theory on moduli space / abstract Thursday, April 11, 2019 / Ben Hoare (ETH Zürich) = = = The Yang-Baxter deformation of the AdS5 x S5 superstring: resolving some puzzle / abstract April 15, 2019 / Evgeny Feigin (HSE Univ., Skoltech) = = = Schur polynomials and Peter-Weyl theorem for current algebras |
April 29, 2019
Alexis Bouthier (Mathematics Inst. of Jussieu–Paris)
Around Hitchin type fibrations
We will survey some results on different versions of Hitchin fibrations, the Lie algebra and the group cases and explain they appear as global versions of local objects, such as affine Springer fibers, that play a crucial role in local harmonic analysis and geometric representation theory