2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/68325We 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 .8 pages, 10 figuresGeometric TopologyQuantum Algebra57Q45; 57M25Khovanov's conjecture over Z[c]text