Yetter-Drinfeld modules for weak Hom-Hopf algebras

Shuangjian Guo, Yizheng Li, Shengxiang Wang

The aim of this paper is to define and study Yetter-Drinfeld modules over weak Hom-Hopf algebras. We show that the category ${}_H{\mathcal{WYD}}^H$ of Yetter-Drinfeld modules with bijec…