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Speaker:

Filip Zivanovic
Affiliation:

Stony Brook
Date:

Tue, 11/06/2024 - 13:00 - 14:00
Location:

MPIM Seminar Room
Parent event:

Bonn symplectic geometry seminar In this talk, I will explain how one can obtain filtrations on ordinary and quantum cohomology of a symplectic manifold, using the Hamiltonian Floer homologies associated with a pseudo-holomorphic C*-action on it. This filtration is an invariant of the manifold together with a C*-action. It should be thought of as a Floer-theoretic analogue of Atyiah-Bott filtration, and it is computable in examples using certain Morse-Bott-Floer spectral sequences, as I will show in examples. Time permitting, I will discuss its comparison with P=W filtration on Higgs moduli spaces. This is a joint work with Alexander Ritter.

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