 Date: 20230817 (Thu) 14:30 ~ 16:00
 Place: 129104 (SNU)
 Speaker: 김준태 (Sogang University)

TiTle: Symplectic Torelli classes of positive entropy

Abstract: By a Torelli class, we mean a symplectic mapping class acting trivially on homology. The study of symplectic Torelli groups has been a central topic of modern symplectic topology. In this talk, we embark on a voyage of Torelli classes and entropies. It turns out that Floer theory can genuinely detect a positive topological entropy, namely that there is a Torelli class in a symplectic K3 surface having a positive topological entropy. This is joint work with Myeonggi Kwon.
2023.08.14 11:22
[QSMS Symplectic topology seminar 20230817] Symplectic Torelli classes of positive entropy
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