Seminar

U. Haifa Topology & Geometry seminar: Tuesday, Jan. 23, 2024. Speaker: Damien Calaque (Montpellier). Title: “Shifted symplectic reduction”.

This talk will be on Zoom:https://us02web.zoom.us/j/83920631646?pwd=cWZRWjllZWEvdjVSNVhTdUxMMGlwUT09 I will start explaining that Hamiltonian reduction can be understood as a particular instance of Lagrangian intersections, within the framework of shifted symplectic geometry. One can see this first part of the talk as…
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U. Haifa Topology & Geometry seminar: Tuesday, Jan. 9, 2024. Speaker: Carles Casacuberta (Barcelona). Title: “Homotopy reflectivity is equivalent to the weak Vopenka principle”.

Homotopy localizations with respect to arbitrary (possibly proper) classes of maps are known to existin suitably structured model categories assuming the validity of Vopenka’s principle from set theory.Through recent progress in large cardinal theory, we prove that the existence of…
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U. Haifa Topology & Geometry seminar: Sunday, Nov. 21, 2023. Speaker: Josefien Kuijper (Stockholm University). Title: “Compactly supported cohomology theories of varieties and six-functor formalisms”.

Time: 11:00 AM Recording:https://us02web.zoom.us/rec/share/9f42mPT6f_DrAb7PSelgFJxj4VF5XyBFR_w9Q_1pmd0l7N8vBrZA5s9tHsXNyc-I.WUIy_fbLn_vZCL1l Abstract: In the first part of this talk I will discuss a result about the existence of compactly supported versions of cohomology theories of varieties. In the second part of the talk I will discuss a…
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U. Haifa Algebra seminar: Wednesday, December 28, 2022. Speaker: Leonid Makar-Limanov (Wayne State University). Title: “A conjecture on D algebras”.

Time: 11:00 AM, Place: Room 614, Science and Education Building, U.Haifa. Speaker: Leonid Makar-Limanov (Wayne State University), Title: A conjecture on D algebras Abstract: The goal of this talk is to introduce D algebras, formulate a conjecture about these algebras and prove this conjecture in several cases. — Join…
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U. Haifa Algebra seminar: Wednesday, December 21, 2022. Speaker: Evgeny Feigin. Title: “Veronese curves,  arc spaces and global Demazure modules”.

Date:            Wednesday, December 21, 2022 at 12:00 PM  Place:           Room 614, Science & Education Building, U. Haifa Speaker: Evgeny Feigin, Title: Veronese curves,  arc spaces and global Demazure modules. Abstract:  Arc spaces are obtained from a given…
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U. Haifa Algebra seminar: Wednesday, December 7, 2022. Speaker: Sergei Merkulov (University of Luxembourg). Title: “Gravity  and moduli spaces M_g,n”.

Date:            Wednesday, December 7, 2022 at 12:00 PM  Place:           Room 614, Science & Education Building, U. Haifa Speaker:    Sergei Merkulov (University of Luxembourg) Title: Gravity  and moduli spaces M_g,n Using Thomas Willwacher’s twisting endofunctor, and Kevin…
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U. Haifa Algebra seminar: Wednesday, November 30, 2022. Speaker: Petr Dunin-Barkowski (HSE Moscow). Title: “Generalized double Hurwitz numbers, topological recursion, and ELSV-type formulas”.

Date:            Wednesday, November 30, 2022 at 12:00 PM  Place:           Room 614, Science & Education Building, U. Haifa Speaker:    Petr Dunin-Barkowski (HSE Moscow) Title: Generalized double Hurwitz numbers, topological recursion, and ELSV-type formulas Abstract: In the talk, I’ll briefly…
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U. Haifa Algebra seminar: Wednesday, November 23, 2022. Speaker: Boris Bychkov (University of Haifa). Title: “Topological recursion for generalized double Hurwitz numbers”.

Date:            Wednesday, November 23, 2022 at 12:00 PM  Place:           Room 614, Science & Education Building, U. Haifa Speaker:    Boris Bychkov (University of Haifa) Title: Topological recursion for generalized double Hurwitz numbers Abstract: Topological recursion is a remarkable…
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