Filtering the Heegaard-Floer contact invariant

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• Andy Wand, Glasgow
• Wednesday 18 May 2016, 16:00-17:00
• MR13.

If you have a question about this talk, please contact Ivan Smith.

The modern development of contact geometry in 3 dimensions has seen several (due to Giroux, Wendl, Latschev and Wendl, Hutchings, and others) invariants of contact structures meant in some sense to measure non-(Stein/symplectic)-fillability of the structure. We will discuss a new approach which uses Heegaard Floer homology to define an invariant with a similar aim, but which has several desirable properties lacking in earlier approaches. This is joint with joint work with Kutluhan, Matic, and Van Horn-Morris.

This talk is part of the Differential Geometry and Topology Seminar series.

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