Quasimorphisms and Symplectic Geometry Spring 2024

Supervision
Professor Paul Biran
Organizers
Giovanni Ambrosioni, Valentin Bosshard
Time & room
Tue 14-16 ML J 37.1
Course Catalogue
401-3530-24L
Detailed overview of the topics
Overview
How to prepare a talk for the seminar
Tips

Schedule

Each student gives two talks, one in the first half, and one in the second half of the semester. On Fridays, the student giving the talk on the following Tuesday should discuss her/his first draft of the talk with Giovanni or Valentin. A short summary of the main definitions and statements should be typed into the common overleaf project by the day of the talk.

Date

Talk

Speakers

20. February 2024

Introduction and distribution of the talks

Giovanni, Valentin

5. March 2024

Introduction to Quasimorphisms

Nicolas, Yannick

12. March 2024

The Homeomorphism group of the circle

Julia D, Kristian

19. March 2024

Rotation and translation numbers

Aparna, Zhang

26. March 2024

Quasimorphisms on the automorphism group of the disc

Vladimir, Marius

9. April 2024

Quasimorphisms on the automorphism groups of closed oriented surfaces

Sheng, Julia M

16. April 2024

Introduction to symplectic geometry and the group of Hamiltonian diffeomorphisms

Asaf, Yiran

23. April 2024

The Flux homomorphism

Julia D, Kristian

30. April 2024

The Calabi homomorphism and Calabi quasimorphisms

Sheng, Zhang

7. Mai 2024

Calabi quasimorphisms on Ham(T2)

Yannick, Nicolas

14. Mai 2024

Filtered Hamiltonian Floer homology & the Hofer metric

Asaf, Yiran

21. Mai 2024

A Calabi quasimorphism on Ham(S2) and applications

Vladimir, Marius

28. Mai 2024

Construction of the real numbers by quasimorphisms

Aparna, Julia M