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Explore a mathematical lecture on C0-rigidity and flexibility phenomena in contact transformations, presented by Vukašin Stojisavljević from the Centre de recherches mathématiques at the University of Montreal. Discover how the dichotomy between contact squeezing and non-squeezing relates to the Rokhlin property of contact homeomorphism groups. Learn about new distances defined on these groups and their C0-stability properties. The technical foundation of this stability—C0-continuity of Sandon's spectral invariants—is also examined. This presentation is part of the IAS/Princeton/Montreal/Paris/Tel-Aviv Symplectic Geometry Zoominar series and represents joint work with Baptiste Serraille.
