New posts in Hopf Algebras

Concrete cases where $YX=qXY$

Exercises to help a student become accustomed to Sweedler notation

Meaning of the antipode in Hopf algebras?

Are there always nontrivial primitive elements in a Hopf algebra?

Definition of subcoalgebra over a commutative ring

Confusion around the reflection equation algebra

Axiomatic definition of quantum groups

Characterizing discrete quantum groups

Abelian category from the category of Hopf algebras

Characters on Hopf algebras