We introduce the notion of a lazy 2-cocycle over a monoidal Hom-Hopf algebra and determine all lazy 2-cocycles for a class of monoidal Hom-Hopf algebras. We also study the extension of lazy 2-cocycles to a Radford Hom-biproduct.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm142-1-3, author = {Xiaofan Zhao and Xiaohui Zhang}, title = {Lazy 2-cocycles over monoidal Hom-Hopf algebras}, journal = {Colloquium Mathematicae}, volume = {144}, year = {2016}, pages = {61-81}, zbl = {06497299}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm142-1-3} }
Xiaofan Zhao; Xiaohui Zhang. Lazy 2-cocycles over monoidal Hom-Hopf algebras. Colloquium Mathematicae, Tome 144 (2016) pp. 61-81. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm142-1-3/