Evan Jenkins's user avatar
Evan Jenkins's user avatar
Evan Jenkins's user avatar
Evan Jenkins
  • Member for 14 years, 5 months
  • Last seen more than a month ago
7 votes

Relating two characterizations of ${\mathfrak sl}_{n > 2}$ among simple Lie algebras

6 votes

Intuitionistic algebraic topology?

6 votes
Accepted

On quadratic forms, Pontryagin Squares, and H^4(K(pi,2),U(1))

6 votes

Is there a good notion of "induction" for representations of 2-categories?

6 votes
Accepted

Diagram calculus for weak 2-functors between bicatgories

6 votes

Does any identity holding in all finite-dimensional Lie algebras hold in all Lie algebras?

6 votes

Physics and Church–Turing Thesis

6 votes
Accepted

Mnemonic for how left and right duals interact with Homs

6 votes

How to explicitly describe algebras in a monoidal 2-category?

6 votes
Accepted

From tensor algebras in monoidal categories to (commutative?) monoids

6 votes
Accepted

In a k-linear category, what is the tensor product between a hom space and an object?

6 votes
Accepted

Does the Tannaka-Krein theorem come from an equivalence of 2-categories?

5 votes
Accepted

Is there a version of character sheaves for non reductive algebraic groups?

5 votes

How do I check if a functor has a (left/right) adjoint?

5 votes

How should one think about pushforward in cohomology?

5 votes
Accepted

A reference book for Schur's lemma

5 votes
Accepted

Induced character for non-injective homomorphisms

4 votes

Are there better upper bounds on the rank of the commutant of a fusion module than the global dimension?

4 votes
Accepted

Int construction (traced monoidal categories) and Grothendieck Group

4 votes
Accepted

Is the Ford-Fulkerson algorithm a tropical rational function?

4 votes
Accepted

Unravelling some hypotheses on a variety

4 votes

Is the endomorphism algebra of a dualizable bimodule necessarily finite dimensional?

4 votes

When are the eigenspaces of the Laplacian on a compact homogeneous space irreducible representations?

4 votes
Accepted

What is Out(G-mod) for a finite group G?

3 votes

Category theory sans (much) motivation?

3 votes
Accepted

Obstruction Cocycles

3 votes
Accepted

Is every premodular category the *full* subcategory of a modular category?

3 votes

Role of fiber functor monoidal structure in Tannakian bialgebra reconstruction

2 votes

Finite non-Hausdorff models of CW-complexes

2 votes

Topology on extensions of topological groups