CMSA Interdisciplinary Science Seminar: The smooth closing lemma for area-preserving surface diffeomorphisms


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December 16, 2021 9:00 am - 10:00 am
via Zoom Video Conferencing

Boyu Zhang - Princeton University

In this talk, I will introduce the smooth closing lemma for area-preserving diffeomorphisms on surfaces. The proof is based on a Weyl formula for PFH spectral invariants and a non-vanishing result of twisted Seiberg-Witten Floer homology. This is joint work with Dan Cristofaro-Gardiner and Rohil Prasad.

Zoom ID: 950 2372 5230 (Password: cmsa)