User Evan Jenkins

51 votes

Elementary+Short+Useful

answered Apr 5, 2011 at 14:55

31 votes

Square root of a positive $C^\infty$ function.

answered Aug 25, 2012 at 4:10

26 votes

Work on independence of pi and e

answered Jul 29, 2010 at 18:02

20 votes

Accepted

Prime numbers as knots: Alexander polynomial

answered Jul 9, 2010 at 22:13

17 votes

Accepted

String diagrams for (weak) monoidal categories

answered Aug 8, 2012 at 17:54

17 votes

Accepted

Randomly walking a leashed dog

answered Mar 1, 2014 at 5:16

16 votes

Accepted

Crossed modules and degree-3 group cohomology

answered Oct 11, 2013 at 23:04

16 votes

Accepted

Recovering classical Tannaka duality from Lurie's version for geometric stacks

answered Nov 1, 2012 at 3:13

14 votes

Accepted

Is antipode unique for bialgebras in arbitrary monoidal categories?

answered Aug 4, 2014 at 7:53

13 votes

What is the analog of a topos in quantum logic?

answered Sep 7, 2011 at 4:46

13 votes

Definition of forgetful functor

answered Mar 26, 2010 at 20:45

13 votes

Accepted

If "tensor" has an adjoint, is it automatically an "internal Hom"?

answered Apr 14, 2010 at 20:33

11 votes

Accepted

How can I understand the "groupoid" quotient of a group action as some sort of "product"?

answered Apr 29, 2010 at 20:58

11 votes

Accepted

Saavedra's Definition of Tannakian Category

answered Sep 13, 2012 at 15:31

10 votes

Accepted

symmetry in monoidal categories

answered Sep 16, 2012 at 19:49

10 votes

Homotopy Groups of de Sitter and Anti-de Sitter?

answered Sep 15, 2011 at 16:59

10 votes

Accepted

Gauss Sums over "semisimple spherical tensor category"?

answered May 30, 2014 at 14:58

10 votes

Langlands Dual Groups

answered Oct 23, 2009 at 0:10

10 votes

Example of a CW complex not homeomorphic to the realization of a simplicial set?

answered Aug 5, 2010 at 20:18

9 votes

Accepted

Morita invariance of Drinfeld centre

answered Jun 15, 2011 at 5:41

9 votes

What is the purpose of tangential base-points?

answered Jul 27, 2011 at 4:52

9 votes

Accepted

Group extensions and actions on categories

answered Feb 14, 2012 at 21:32

8 votes

Tweetable Mathematics

answered Apr 27, 2017 at 2:58

8 votes

Accepted

Counter example of upper semicontinuity of global fiber dimension on the source

answered Jun 13, 2013 at 2:51

8 votes

Sheaf cohomology and injective resolutions

answered Oct 19, 2009 at 4:29

8 votes

What is an example of a topological space that is not homotopy equivalent to a CW-complex?

answered Oct 18, 2009 at 23:02

8 votes

Probabilistic proofs of analytic facts

answered Apr 27, 2010 at 23:50

7 votes

Is every G-invariant function on a Lie algebra a trace?

answered May 21, 2010 at 0:13

7 votes

Accepted

Group cohomology and cohomology in non-abelian categories

answered Oct 30, 2010 at 16:26

7 votes

Accepted

Reference request: representations of unipotent groups have a fixed point.

answered Feb 3, 2011 at 3:08

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68 Answers

Elementary+Short+Useful

Square root of a positive $C^\infty$ function.

Work on independence of pi and e

Prime numbers as knots: Alexander polynomial

String diagrams for (weak) monoidal categories

Randomly walking a leashed dog

Crossed modules and degree-3 group cohomology

Recovering classical Tannaka duality from Lurie's version for geometric stacks

Is antipode unique for bialgebras in arbitrary monoidal categories?

What is the analog of a topos in quantum logic?

Definition of forgetful functor

If "tensor" has an adjoint, is it automatically an "internal Hom"?

How can I understand the "groupoid" quotient of a group action as some sort of "product"?

Saavedra's Definition of Tannakian Category

symmetry in monoidal categories

Homotopy Groups of de Sitter and Anti-de Sitter?

Gauss Sums over "semisimple spherical tensor category"?

Langlands Dual Groups

Example of a CW complex not homeomorphic to the realization of a simplicial set?

Morita invariance of Drinfeld centre

What is the purpose of tangential base-points?

Group extensions and actions on categories

Tweetable Mathematics

Counter example of upper semicontinuity of global fiber dimension on the source

Sheaf cohomology and injective resolutions

What is an example of a topological space that is not homotopy equivalent to a CW-complex?

Probabilistic proofs of analytic facts

Is every G-invariant function on a Lie algebra a trace?

Group cohomology and cohomology in non-abelian categories

Reference request: representations of unipotent groups have a fixed point.