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Sam Gunningham's user avatar
Sam Gunningham's user avatar
Sam Gunningham's user avatar
Sam Gunningham
  • Member for 13 years, 9 months
  • Last seen this week
40 votes
Accepted

What is a coalgebra intuitively?

25 votes
Accepted

In an arbitrary abelian category, does chain complex homology commute with coproduct?

19 votes
Accepted

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

17 votes
Accepted

Dijkgraaf-Witten TQFT vs. Representation Theory?

16 votes
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HIgher Homotopy Groups and Representation Theory

15 votes

Infinity-categories vs Kan complexes

15 votes
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Inverting homotopy groups of spectra

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

14 votes
Accepted

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

13 votes

Which bundles does the character variety parameterize?

13 votes
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Non-Kahler Complex manifolds

12 votes
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Confusion about D-modules and functors

11 votes

Examples of Mixed Hodge Structures

11 votes
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Drinfeld center of a braided category

10 votes
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Tensor product of $\mathcal{D}$-modules and constructible sheaves

10 votes
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Naive question about the representation theory of algebraic groups and hopf algebras

10 votes

What are finite homotopy types?

9 votes

Computing Homology via Sheaf Cohomology

9 votes
Accepted

For G a Lie group, can I make sense of G/G as a derived manifold in a nice way?

9 votes
Accepted

Riemann-Hilbert correspondence versus Simpson correspondence

8 votes
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Holonomic = annihilated by some differential operator

8 votes
Accepted

What is the product in the 2-category of spans?

8 votes
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Derived Equivalence of Sheaves and Homotopy

7 votes
Accepted

Are all Equivariant Bundles of a Total Flag Manifold Constructable from Line Bundles?

7 votes
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Fixed space of maximal torus and Weyl group

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?

6 votes

Representation Theory of $U(N)$

6 votes
Accepted

About the support of a holonomic D-module

6 votes
Accepted

What is a higher derived constructible sheaf

6 votes
Accepted

Duality between singularities and non-compactness in the yoga of weights