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Knots in Washington XXXVI
May 3-5, 2013
George Washington University
Washington, DC, USA

Organizers
Mieczyslaw K. Dabkowski (UT Dallas), Valentina Harizanov (GWU), Jozef H. Przytycki (GWU), Yongwu Rong (GWU), Radmila Sazdanovic (U.Penn), Alexander Shumakovitch (GWU), Hao Wu (GWU)

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Realizing Khovanov Homology as Homology of a Small Category with Functor Coefficients
by
Jing Wang
George Washington University
Coauthors: Jozef H. Przytycki

In this talk, I will introduce our joint work with Jozef H. Przytycki about how to realize Khovanov homology in the context of homology of a small category with functor coefficients. Our general definition is motivated by homology of an abstract simplicial complex. In particular, I will show that for an abstract simplicial complex category, the theory we introduced here can be considered as homology of its barycentric subdivision. I will give a short proof showing that in the twisted coefficient case, homology is preserved under barycentric subdivision as in the classical theory.

Date received: April 29, 2013


Copyright © 2013 by the author(s). The author(s) of this work and the organizers of the conference have granted their consent to include this abstract in Topology Atlas. Document # cbhe-13.