Stack Exchange

Victor Ostrik

top accounts reputation activity bookmarks subscriptions
Top Questions
Top Answers
15
An algebraic number is not a root of unity?
mathoverflow.net

15
What's the state of affairs concerning the identification between quantum group reps at root of unity, and positive energy affine Lie algebra reps?
mathoverflow.net

15
Example of a Frobenius algebra that is not projective over a Frobenius subalgebra
mathoverflow.net

13
Must finite groups with isomorphic commutators and quotients be isomorphic?
mathoverflow.net

12
A question on group action on categories
mathoverflow.net

10
Finite groups with centerless quotients
mathoverflow.net

10
Does one of the hexagon identities imply the other one?
mathoverflow.net

10
Example for non equivalent rational full CFTs with same modular invariant (partition function)
mathoverflow.net

8
Decomposing tensor products of irreducible representations of reductive groups over a finite field
mathoverflow.net

8
De-equivariantization by Rep(G)
mathoverflow.net

8
How weird can Modular Tensor Categories be over non-algebraically closed fields?
mathoverflow.net

7
Module categories over $Rep(G)$.
mathoverflow.net

7
Questions Suggested by the Parabolic Subgroup Definition
mathoverflow.net

6
Why is a monoid with closed symmetric monoidal module category commutative?
mathoverflow.net

6
Role of fiber functor monoidal structure in Tannakian bialgebra reconstruction
mathoverflow.net

6
Suppose C and D are Morita equivalent fusion categories, can you say anything about R I: C->Z(C)=Z(D)->D?
mathoverflow.net

6
What is the interpretation of this galois cohomology set?
mathoverflow.net

6
Tensor products of two irreducible representations of reductive groups and their inclusions
mathoverflow.net

6
Finite groups G with Rep(G) Grothendieck equivalent to a modular category
mathoverflow.net

5
Homotopy Equivalence of Punctured Tori
mathoverflow.net

5
Tannakian description of a semi-direct product
mathoverflow.net

5
Reference request: The stable Kronecker ring is isomorphic to the ring of symmetric polynomials
mathoverflow.net

5
Exact sequences of groups and Tannakian formalism
mathoverflow.net

5
What is the smallest rank for a noncommutative fusion ring?
mathoverflow.net