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328
Answers
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81
Which mathematicians have influenced you the most?
Nov 14 '09 at 15:44
75
Elementary+Short+Useful
Apr 3 '11 at 21:05
65
Famous mathematical quotes
Nov 29 '09 at 22:45
43
Elementary+Short+Useful
Apr 3 '11 at 20:57
34
Your favorite surprising connections in Mathematics
Feb 8 '10 at 0:59
32
An inequality for cosine of n
Feb 16 '11 at 16:44
24
Light rays bouncing in twisted tubes
Jul 15 '11 at 12:13
21
Is a function with nowhere vanishing derivatives analytic?
Dec 26 '13 at 2:52
20
Is Euclid dead?
Dec 19 '13 at 22:16
20
Mathematical “urban legends”
Feb 8 '11 at 21:27
20
Can a connected planar compactum minus a point be totally disconnected?
Feb 27 '10 at 19:42
19
Are there smooth bodies of constant width?
Feb 3 '11 at 23:20
17
Is the “Napkin conjecture” open? (origami)
Apr 8 '11 at 23:10
17
Does a Riemannian manifold with bounded geometry admit an isometric proper embedding into Euclidean space with uniformly thick tubular neighborhood
Mar 18 '13 at 17:07
17
Down-To-Earth Uses of de Rham Cohomology to Convince a Wide Audience of its Usefulness
Mar 1 '11 at 19:55
16
Space of metrics with positive sectional curvature
Sep 29 '11 at 1:23
15
Why are isometries of Minkowski space necessarily linear?
Dec 30 '11 at 5:59
15
Tetrahedron splitting/subdivision
Jun 18 '10 at 11:46
15
Is every smooth function Lebesgue-Lebesgue measurable?
Mar 26 '10 at 22:12
15
Are there any books that take a 'theorems as problems' approach?
Jan 23 '10 at 2:08
14
Are the higher homotopy groups of the Hawaiian earring trivial?
Apr 20 '14 at 1:44
14
Converse to Milnor's theorem on manifolds with nonnegative Ricci curvature.
May 8 '13 at 15:54
14
Does a connected manifold with vanishing Euler characteristic admit a nowhere-vanishing vector field?
May 5 '13 at 18:53
14
How many times line segments can intersect a Jordan curve?
Jun 19 '12 at 19:06
14
Feasibility of a list of prescribed distances in R^3
Dec 4 '09 at 19:04
14
When does the set of isometries form a group?
Sep 17 '11 at 22:21
14
What is the defining formula for Sectional Curvature
Apr 18 '11 at 1:27
14
What should be taught in a 1st course on smooth manifolds?
Mar 19 '11 at 2:38
13
Geodesics in $\mathbb{R^2} \times \mathbb{S^1}$ under “segment” metric
Sep 23 '11 at 0:51
13
Are all polynomial inequalities deducible from the trivial inequality?
Dec 11 '09 at 17:37
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