Khovanov's conjecture over Z[c]

Details Khovanov's conjecture over Z[c] Khovanov's conjecture over Z[c]

2003-08-15

arxiv.org/abs/math/0308151v1

Mathematics

Geometric Topology

8 pages, 10 figures

Scientific paper

We disprove the conjecture of M. Khovanov (math.QA/9908171) on the
functoriality of his link homology with polynomial coefficients. This is in
contrast to the case of integer coefficients, where functoriality was proved in
math.GT/0206303 .

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