MathOverflow
Pavel Etingof's user avatar
Pavel Etingof's user avatar
Pavel Etingof's user avatar
Pavel Etingof
  • Member for 14 years, 2 months
Profile Activity

44 Answers

Score Activity Newest
7 votes

Questions about Quivers

2 votes
Accepted

generators of the ideal of an unipotent-generated algebraic group

9 votes
Accepted

On a positivity of a matrix with trace entries.

4 votes
Accepted

Dolbeault Operators for $CP^1$ as $\mathfrak{su}(2)$ Actions.

3 votes
Accepted

Are higher dimensional Heisenberg groups free nilpotent?

7 votes
Accepted

Is an algebraic bijection from a projective variety to itself necessarily an isomorphism?

1 vote

Non-negative matrices with prescribed Perron-Frobenius eigenvectors

23 votes
Accepted

Does any tensor category correspond to a bialgebra?

4 votes

Line bundles: from transition functions to divisors

15 votes
Accepted

About state-field correspondence

16 votes
Accepted

What is the relation between quantum symmetry and quantum groups?

7 votes
Accepted

Comparing two similar procedures for quantizing a Casimir Lie algebra

14 votes
Accepted

Calculating 6j-symbols (aka Racah-Wigner coefficients) for quantum groups

7 votes
Accepted

Taking roots in simple linear algebraic groups

11 votes

Can the Quantum Torus be realized as a Hall Algebra?

8 votes
Accepted

Is there a canonical Hopf structure on the center of a universal enveloping algebra?

18 votes

What is a deformation of a category?

18 votes
Accepted

Jack polynomials as determinants

5 votes

Principal Bundles over Complex Projective Varieties

1 vote
Accepted

Freeness of the Canonical $SU(n)$ Action

6 votes

Indexing the Line Bundles of a Flag Manifold

2 votes
Accepted

Is every monomorphism of commutative Hopf algebras (over a field) injective?

21 votes

Deformation theory of representations of an algebraic group

19 votes

What is a deformation of a category?

3 votes

Abstract nonsense versions of "combinatorial" group theory questions

4 votes

reference on examples of (g, K)-modules

22 votes
Accepted

How do you switch between representations of an algebraic group and its Lie algebra?

5 votes

differential operator in noncommutative geometry?

5 votes

Zeros of the Weierstrass $\wp$-function

4 votes
Accepted

Transition Functions of the Principal Bundle $SU(2) \to \mathbb{CP}^1$

1
2