It generalizes the theories of Yetter-Drinfeld modules on Hopf algebras, and associates the weak Doi-Hopf modules , quantum Yetter-Drinfeld modules with relative weak Hopf modules.

• 它推广了Hopf代数上Yetter-Drinfeld模的一些理论,并给出了弱Doi-Hopf模,量子Yetter-Drinfeld模与相关弱Hopf模三者之间的关系。