Some articles on group hopf, group, groups:
... In mathematics, the group Hopf algebra of a given group is a certain construct related to the symmetries of group actions ... Deformations of group Hopf algebras are foundational in the theory of quantum groups ...
Famous quotes containing the word group:
“No other group in America has so had their identity socialized out of existence as have black women.... When black people are talked about the focus tends to be on black men; and when women are talked about the focus tends to be on white women.”
—bell hooks (b. c. 1955)