Functoriality of colored link homologies

By Michael Ehrig, D. Tubbenhauer, Paul Wedrich. Proceedings of the London Mathematical Society, 2017

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We prove that the bigraded, colored Khovanov–Rozansky type A link and tangle invariants are functorial with respect to link and tangle cobordisms.

Subfields: Discrete Mathematics and Combinatorics, Geometry and Topology, Mathematical Physics

View Paper: https://www.semanticscholar.org/paper/319b79ef202fe99daa092f9e97636206c51ba76c