Orderability and the Contact Hofer Norm

This seminar talk from the Symplectic Geometry Seminar series explores the relationship between the contact version of the Hofer norm and positive loops of contactomorphisms. Learn about a new criterion for the existence of contractible positive loops in terms of open book decompositions, which leads to previously unknown examples of non-orderable contact manifolds. The presentation by Jakob Hedicke from Université de Montréal is based on joint work with Egor Shelukhin and will take place on March 25, 2025, at 1:00pm in Simonyi 101 with remote access available through the Institute for Advanced Study.