Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4588243 | Journal of Algebra | 2007 | 23 Pages |
Abstract
In this paper we prove that if is a morphism of weak Hopf algebras which is split as an algebra–coalgebra morphism, then the subalgebra of coinvariants BH of B is a Hopf algebra in the category of Yetter–Drinfeld modules associated to H.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory