2000/11/29 by R. Akbarpour, Akbarpour, R., M. Khalkhali +1
Mathematics · #FOS: Mathematics #K-Theory and Homology (math.KT) #math.KT
paper · pdf · doi:10.48550/arxiv.math/0011248
Final version, to appear in "Crelle's Journal"
arxiv created 2002/12/12 · arxiv updated 2009/11/30
We introduce the cylindrical module A \natural H, where H is a Hopf algebra and A is a Hopf module algebra over H. We show that there exists an isomorphism between C\bullet(Aop \rtimes Hcop) the cyclic module of the crossed product algebra Aop \rtimes Hcop , and Δ(A \natural H) , the cyclic module related to the diagonal of A \natural H. If S, the antipode of H, is invertible it follows that C\bullet(A \rtimes H) ≃ Δ(Aop \natural Hcop). When S is invertible, we approximate HC\bullet(A \rtimes H) by a spectral sequence and give an interpretation of E0, E1 and E2 terms of this spectral sequence.