2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60135We define a new cyclic module, dual to the Connes-Moscovici cyclic module, for Hopf algebras, and give a characteristric map for the coaction of Hopf algebras. We also compute the resulting cyclic homology for cocommutative Hopf algebras, and some quantum groups.Minor revision. Statement of Theorem 5.2 corrected. Final version to appear in K-TheoryK-Theory and Homologytext