Sam Gunningham's user avatar
Sam Gunningham's user avatar
Sam Gunningham's user avatar
Sam Gunningham
  • Member for 13 years, 8 months
  • Last seen this week
14 votes
Accepted

Mednykh's formula for 2d manifold with boundaries? How to count principal G-bundles with prescribed holonomies?

6 votes
Accepted

About the support of a holonomic D-module

3 votes
Accepted

Artin vanishing for D-modules (i.e., when is $f_+$ t-exact?)

8 votes
Accepted

Holonomic = annihilated by some differential operator

5 votes
Accepted

Is analytification of regular holonomic D modules a fully faithful functor?

5 votes
Accepted

Is the abelian category of pure Hodge modules semi-simple?

3 votes

What is a map for the representation theory of reductive groups?

3 votes
Accepted

Beilinson-Bernstein for nonintegral levels

7 votes
Accepted

Fixed space of maximal torus and Weyl group

5 votes
Accepted

Singular support of an irreducible perverse sheaf

9 votes
Accepted

Riemann-Hilbert correspondence versus Simpson correspondence

19 votes
Accepted

How is a descent datum the same as a comodule structure?

3 votes
Accepted

Quantum Hamiltonian reduction and tensor products

10 votes
Accepted

Drinfeld center of a braided category

5 votes
Accepted

Construction of non-split extension of simple modules of Lie algebras using linear differential operators

5 votes
Accepted

Classifying ample line bundles over the flag manifold $G/B$

5 votes
Accepted

1-dimensional pure gauge theory

15 votes
Accepted

Inverting homotopy groups of spectra

4 votes

Interesting (non) examples of singular support

5 votes
Accepted

Are sifted (2,1)-colimits of fully faithful functors again fully faithful? (And a de-categorified variant)

7 votes
Accepted

Does there always exist an irreducible representation occurring with multiplicity one when inducing from a closed subgroup to a compact Lie group?

5 votes
Accepted

Differential operators and quasi-finite morphisms

3 votes
Accepted

Orbit decomposition of the restriction of an equivariant sheaf?

14 votes
Accepted

Why should the tensor product of $\mathcal{D}_X$-modules over $\mathcal{O}_X$ be a $\mathcal{D}_X$-module?

1 vote

Examples and references for Kan-like extensions?

1 vote

Singular support of pullback and pushforward D-module

6 votes

Representation Theory of $U(N)$

4 votes
Accepted

Equivariant Derived Category

5 votes
Accepted

Relations between functors in a recollement

12 votes
Accepted

Confusion about D-modules and functors