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Mathematics Colloquium


Date:  Tuesday, April 20, 2010

Title:  Khovanov homology from surface singularities

Abstract:  Khovanov homology is an invariant of knots and links coming from algebra (Khovanov), symplectic geometry (Seidel-Smith) or algebraic geometry (Cautis-Kamnitzer). I will try to describe all this, and briefly touch on another construction coming from algebraic geometry that is simpler than that of Cautis-Kamnitzer, being essentially two dimensional.

Speaker:  Richard Thomas
Institution:  Imperial College London


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