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Torsion in Khovanov link homology via chromatic graph cohomology
by
Dan Scofield
North Carolina State University
The categorification of the chromatic polynomial by Helme-Guizon and Rong is isomorphic to Khovanov link homology over a range of homological gradings. Motivated by Hochschild homology, we compute torsion in chromatic homology for certain classes of graphs. As a consequence, we offer insight into Z_2 torsion of certain classes of knots and links.
Date received: April 10, 2017
Copyright © 2017 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 # cbof-09.