Victor Ostrik's user avatar
Victor Ostrik's user avatar
Victor Ostrik's user avatar
Victor Ostrik
  • Member for 14 years, 2 months
  • Last seen this week
16 votes
Accepted

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

15 votes
Accepted

Example of a Frobenius algebra that is not projective over a Frobenius subalgebra

15 votes
Accepted

An algebraic number is not a root of unity?

13 votes
Accepted

A question on group action on categories

13 votes
Accepted

Must finite groups with isomorphic commutators and quotients be isomorphic?

13 votes
Accepted

Does one of the hexagon identities imply the other one?

10 votes
Accepted

Finite groups with centerless quotients

10 votes
Accepted

Example for non equivalent rational full CFTs with same modular invariant (partition function)

9 votes
Accepted

De-equivariantization by Rep(G)

9 votes
Accepted

How weird can Modular Tensor Categories be over non-algebraically closed fields?

8 votes

Decomposing tensor products of irreducible representations of reductive groups over a finite field

8 votes
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Questions Suggested by the Parabolic Subgroup Definition

8 votes
Accepted

Module categories over $Rep(G)$.

7 votes

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

7 votes
Accepted

Finite groups G with Rep(G) Grothendieck equivalent to a modular category

6 votes
Accepted

What is the smallest rank for a noncommutative fusion ring?

6 votes

Role of fiber functor monoidal structure in Tannakian bialgebra reconstruction

6 votes
Accepted

What is the interpretation of this galois cohomology set?

6 votes

Tensor products of two irreducible representations of reductive groups and their inclusions

6 votes

Why is a monoid with closed symmetric monoidal module category commutative?

6 votes

Reference request: The stable Kronecker ring is isomorphic to the ring of symmetric polynomials

6 votes

Tannakian description of a semi-direct product

5 votes

Homotopy Equivalence of Punctured Tori

5 votes

Exact sequences of groups and Tannakian formalism

4 votes
Accepted

A 6j multiplicity paradox

4 votes
Accepted

Do exact faithful functors between triangulated categories detect semi-simplicity?

4 votes
Accepted

When are PIMS and Irreducibles not in correspondence?

4 votes
Accepted

The relation of nilpotent orbits and simple singularities, for orbits smaller than subregular ones

4 votes

Isomorphic elliptic curves

4 votes
Accepted

subgroup of SU(N) with maximal manifold dimension