Hopf-cyclic homology with contramodule coefficients
K-Theory and Homology
2008-06-05 v2
Abstract
A new class of coefficients for the Hopf-cyclic homology of module algebras and coalgebras is introduced. These coefficients, termed stable anti-Yetter-Drinfeld contramodules, are both modules and contramodules of a Hopf algebra that satisfy certain compatibility conditions.
Keywords
Cite
@article{arxiv.0806.0389,
title = {Hopf-cyclic homology with contramodule coefficients},
author = {Tomasz Brzezinski},
journal= {arXiv preprint arXiv:0806.0389},
year = {2008}
}
Comments
8 pages; misprints in the definition of t_n and calculations involving t_n on page 4 are corrected