Geodesic
Khovanov–Rozansky homology via a canopolis formalism
Webster, Ben1
1Department of Mathematics, University of California, Berkeley, CA 94720
Algebraic and Geometric Topology, Tome 7 (2007) no. 2, pp. 673-699
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In this paper, we describe a canopolis (ie categorified planar algebra) formalism for Khovanov and Rozansky’s link homology theory. We show how this allows us to organize simplifications in the matrix factorizations appearing in their theory. In particular, it will put the equivalence of the original definition of Khovanov–Rozansky homology and the definition using Soergel bimodules in a more general context, allow us to give a new proof of the invariance of triply graded homology and give a new analysis of the behavior of triply graded homology under the Reidemeister IIb move.

DOI : 10.2140/agt.2007.7.673
Keywords: Khovanov–Rozansky homology, knot homology, canopolis, planar algebra

Webster, Ben  1

1 Department of Mathematics, University of California, Berkeley, CA 94720 
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Webster, Ben. Khovanov–Rozansky homology via a canopolis formalism. Algebraic and Geometric Topology, Tome 7 (2007) no. 2, pp. 673-699. doi: 10.2140/agt.2007.7.673

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