An introduction to knot contact homology

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• Georgios Dimitroglou Rizell (Cambridge)
• Friday 12 February 2016, 15:00-16:00
• MR13.

If you have a question about this talk, please contact Christian Lund.

We give an exposition of the geometric and algebraic setup of knot contact homology. This is a powerful knot invariant due to Ekholm-Etnyre-Ng-Sullivan which is based upon the symplectic geometry of cotangent bundles, and defined using pseudoholomorphic curve counts. It is known that this invariant contains the A-polynomial of a knot and that it distinguishes the unknot inside threespace.

This talk is part of the Junior Geometry Seminar series.

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