Skip to main content
MathOverflow
X---'s user avatar
X---'s user avatar
X---'s user avatar
X---
  • Member for 13 years, 7 months
Profile Activity

18 Actions

All Accepts Posts Badges Comments Revisions Reviews Suggestions
awarded
 Self-Learner
asked
There is nonzero primitive element in finite dimensional pointed hopf algebra over C???
awarded
 Teacher
revised
Dimension of a Hopf algebra == sum of squares of its simple modules?
added 184 characters in body; added 2 characters in body
revised
Dimension of a Hopf algebra == sum of squares of its simple modules?
added 46 characters in body
asked
Dimension of a Hopf algebra == sum of squares of its simple modules?
comment
Annulator of Tensor Power in a Quantum Group
Theo Johnson-Freyd: You are right.Thank you.And the same to Bugs Bunny...
asked
Annulator of Tensor Power in a Quantum Group
comment
a simple problems about Yetter-Drinfeld-Module
No! I want to prove $\triangle_l(P(R))\subset H\otimes P(R)$
revised
a simple problems about Yetter-Drinfeld-Module
added 22 characters in body
answered
a simple problems about Yetter-Drinfeld-Module
revised
ask for a simple bijective proof about oriented increasing binary trees
added 5 characters in body
revised
a simple problems about Yetter-Drinfeld-Module
added 24 characters in body
asked
a simple problems about Yetter-Drinfeld-Module
awarded
 Editor
asked
ask for a simple bijective proof about oriented increasing binary trees
awarded
 Student
asked
a simple combinatorial problems