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# Adam Saltz : Link homology and Floer homology in pictures by cobordisms

There are no fewer than eight link homology theories which admit spectral sequences from Khovanov homology. These theories have very different origins -- representation theory, gauge theory, symplectic topology -- so it's natural to ask for some kind of unifying theory. I will attempt to describe this theory using Bar-Natan's pictorial formulation of link homology. This strengthens a result of Baldwin, Hedden, and Lobb and proves new functoriality results for several link homology theories. I won't assume much specific knowledge of these link homology theories, and the bulk of the talk will be accessible to graduate students!

**Category**: Geometry and Topology**Duration**: 01:24:58**Date**: March 26, 2018 at 3:10 PM-
**Tags:**seminar, Geometry/topology Seminar

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