We review recent progress in the study of cyclic cohomology of Hopf algebras, extended Hopf algebras, invariant cyclic homology, and Hopf-cyclic homology with coefficients, starting with the pioneering work of Connes-Moscovici.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-bc61-0-5,
author = {M. Khalkhali and B. Rangipour},
title = {Cyclic cohomology of (extended) Hopf algebras},
journal = {Banach Center Publications},
volume = {60},
year = {2003},
pages = {59-89},
zbl = {1100.19001},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc61-0-5}
}
M. Khalkhali; B. Rangipour. Cyclic cohomology of (extended) Hopf algebras. Banach Center Publications, Tome 60 (2003) pp. 59-89. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc61-0-5/