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Kevin Walker's user avatar
Kevin Walker's user avatar
Kevin Walker
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39
Where is number theory used in the rest of mathematics?
Mar 9, 2012
34
Thurston's "tinker toy" problem
Mar 21, 2018
33
triangulated vs. dg/A-infinity
Oct 17, 2009
32
Cubical vs. simplicial singular homology
Nov 1, 2009
28
Why/does 'low-dimension' topology end with dimension 4?
Apr 28
27
How to tackle the smooth Poincaré conjecture
May 22, 2012
27
Why hasn't anyone proved that the two standard approaches to quantizing Chern-Simons theory are equivalent?
Jan 27, 2012
23
Brauer Groups and K-Theory
Feb 2, 2012
23
Operations via Morse Theory
Jul 1, 2012
23
Are higher categories useful?
Dec 8, 2011
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Measures to separate math overflow from the rest of the stack exchange network
12
What's happens to a user's questions, answers and comments after an account is deleted?
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21
Are there any differences between "oval" and "ellipse"?
14
Time reversal symmetry and T^2 = -1
14
PS-or-PDF to tikz converter?
12
"Anxious to" versus "eager to"
11
Is there a word for a class of circular shapes?