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420
Answers
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49
Does Physics need non-analytic smooth functions?
Nov 26 '12 at 20:35
46
Can one recover the smooth Gauss Bonnet theorem from the combinatorial Gauss Bonnet theorem as an appropriate limit?
Jan 3 '13 at 16:59
39
What are some very important papers published in non-top journals?
Nov 6 '15 at 18:02
32
Modern Mathematical Achievements Accessible to Undergraduates
May 5 '13 at 20:14
29
Should one attack hard problems?
Feb 27 '13 at 10:52
26
How many polynomial Morse functions on the sphere?
Mar 30 '13 at 12:04
23
Examples of great mathematical writing
Apr 24 '12 at 10:30
21
Why are there so many smooth functions?
Jan 4 '12 at 16:58
20
What are some deep theorems, and why are they considered deep?
Aug 16 '13 at 19:49
20
Example of wall-crossing formulae?
Mar 2 '13 at 12:55
19
Is there an extrinsic-geometric viewpoint for connections?
Dec 24 '15 at 21:46
18
Writing papers in pre-LaTeX era?
Jul 13 '12 at 7:46
18
What are some examples of ingenious, unexpected constructions?
Mar 11 '12 at 17:10
17
Weitzenböck Identities
Sep 14 '12 at 15:07
17
How are infinite-dimensional manifolds most commonly treated?
Feb 9 '13 at 15:10
16
What is the expected value of an N-dim vector of uniform randoms that sum to 1 which have been sorted into descending order?
May 11 at 2:13
16
How to get convinced that there are a lot of 3-manifolds?
Oct 6 '15 at 13:56
16
Finite dimensional “Mountain Pass Lemma”
Aug 30 '12 at 16:02
16
Fourier transform
Apr 3 '12 at 13:46
15
How to define the square root of $1-\Delta $?
Apr 15 '14 at 12:40
14
Why do people study representations of 3-manifold groups into $SL(n,\mathbb{C})$?
Mar 27 at 17:51
14
Boundedness of the derivative of the trace of an H^1 function
Jan 8 '13 at 14:13
14
Why do I need densities in order to integrate on a non-orientable manifold?
Mar 7 '12 at 14:19
13
A definition of the fractional derivative
Oct 14 '15 at 17:41
13
What are the “correct” conventions for defining Clifford algebras?
Oct 29 '14 at 13:07
13
Power series with funny behavior at the boundary
Oct 3 '14 at 12:44
13
Morse theory and homology of an algebraic surface (example)
Aug 28 '12 at 11:27
13
Geometric meaning of L-genus
Mar 2 '12 at 11:56
13
Examples of theorems with proofs that have dramatically improved over time
May 3 '12 at 12:44
12
How to understand Chern-Simons action
Apr 19 '13 at 12:20
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