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Kevin Walker

http://canyon23.net/math/

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Top Questions
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32
Where is number theory used in the rest of mathematics?
mathoverflow.net

31
Thurston's “tinker toy” problem
mathoverflow.net

29
Cubical vs. simplicial singular homology
mathoverflow.net

27
Why hasn't anyone proved that the two standard approaches to quantizing Chern-Simons theory are equivalent?
mathoverflow.net

22
Operations via Morse Theory
mathoverflow.net

21
What's the current state of the classification of not-fully-extended TQFTs?
mathoverflow.net

20
Are higher categories useful?
mathoverflow.net

20
Geometric model for classifying spaces of alternating groups
mathoverflow.net

17
Are there any differences between “oval” and “ellipse”?
english.stackexchange.com

17
How to Tackle the Smooth Poincare Conjecture
mathoverflow.net

17
Relation between fully-extended TQFT and a “topless” TQFT
mathoverflow.net

14
How are the Walker-Wang TQFT and the Crane-Yetter TQFT related?
mathoverflow.net

14
How to calculate the Witten-Reshetikhin-Turaev invariants from a triangulation?
mathoverflow.net

14
heegard diagram
mathoverflow.net

14
A Pachner complex for triangulated manifolds
mathoverflow.net

13
A soft introduction to physics for mathematicians who don't know the first thing about physics
mathoverflow.net

13
Picturing a Certain Torus and Klein Bottle
mathoverflow.net

12
3-manifolds bounded by a non-compact Riemann surface of genus 0
mathoverflow.net

12
Do all 3D TQFTs come from Reshetikhin-Turaev?
mathoverflow.net

12
Maximal exotic $\mathbb{R}^4$
mathoverflow.net

12
4D TQFT from a modular tensor category
mathoverflow.net

12
Does there exist a discrete gauge theory as a TQFT detecting the figure-8 knot?
mathoverflow.net

11
Is the endomorphism algebra of a dualizable bimodule necessarily finite dimensional?
mathoverflow.net

11
Why can't we take three loops?
mathoverflow.net

11
Geometric interpretation of the Pontryagin square
mathoverflow.net

10
Reference request: the “Kauffman bracket skein category”?
mathoverflow.net

10
How many mathematicians are there?
mathoverflow.net

10
Geometric Intuition of $P^+$ in Modular Tensor Categories
mathoverflow.net

10
Knot Invariants from Twisted Quantum Doubles
mathoverflow.net

10
Can adjoint linear transformations be naturally realized as adjoint functors?
mathoverflow.net

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