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Victor Ostrik
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33 Answers

Votes Activity Newest
6
Finite groups G with Rep(G) Grothendieck equivalent to a modular category
Oct 16 '20 at 17:01
5
What is the smallest rank for a noncommutative fusion ring?
Dec 20 '19 at 17:37
3
Invertible bimodules which are isomorphic in the stable module category
Jul 26 '18 at 18:20
5
Exact sequences of groups and Tannakian formalism
Apr 17 '15 at 17:04
15
Example of a Frobenius algebra that is not projective over a Frobenius subalgebra
Dec 19 '14 at 16:58
4
A 6j multiplicity paradox
Dec 1 '14 at 22:08
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?
Aug 11 '14 at 21:35
8
How weird can Modular Tensor Categories be over non-algebraically closed fields?
Jul 16 '14 at 20:46
6
Tensor products of two irreducible representations of reductive groups and their inclusions
Apr 12 '14 at 21:51
15
An algebraic number is not a root of unity?
Mar 2 '14 at 1:35
6
What is the interpretation of this galois cohomology set?
Feb 21 '14 at 3:08
10
Example for non equivalent rational full CFTs with same modular invariant (partition function)
May 26 '13 at 18:22
1
Degree bounds when restricting an irrep of a compact Lie group to a torus
Dec 27 '12 at 17:00
6
Role of fiber functor monoidal structure in Tannakian bialgebra reconstruction
Feb 14 '12 at 22:58
4
The relation of nilpotent orbits and simple singularities, for orbits smaller than subregular ones
Jan 21 '12 at 18:43
4
When are PIMS and Irreducibles not in correspondence?
Feb 19 '11 at 1:24
11
Does one of the hexagon identities imply the other one?
Jan 13 '11 at 6:19
13
Must finite groups with isomorphic commutators and quotients be isomorphic?
May 29 '10 at 17:36
5
Homotopy Equivalence of Punctured Tori
May 21 '10 at 0:48
8
De-equivariantization by Rep(G)
May 20 '10 at 18:59
3
Do exact faithful functors between triangulated categories detect semi-simplicity?
May 18 '10 at 0:53
5
Tannakian description of a semi-direct product
May 14 '10 at 1:29
13
A question on group action on categories
Apr 1 '10 at 17:57
10
Finite groups with centerless quotients
Mar 5 '10 at 21:41
3
subgroup of SU(N) with maximal manifold dimension
Feb 28 '10 at 4:28
6
Suppose C and D are Morita equivalent fusion categories, can you say anything about R I: C->Z(C)=Z(D)->D?
Feb 22 '10 at 6:06
4
Isomorphic elliptic curves
Feb 18 '10 at 18:26
6
Why is a monoid with closed symmetric monoidal module category commutative?
Feb 10 '10 at 17:17
7
Questions Suggested by the Parabolic Subgroup Definition
Feb 8 '10 at 16:42
8
Decomposing tensor products of irreducible representations of reductive groups over a finite field
Jan 20 '10 at 16:00
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