331

Answers
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26
Proofs without words
6
Math puzzles for dinner
20
Not especially famous, long-open problems which anyone can understand
8
What would you want to see at the Museum of Mathematics?
24
Is it possible to capture a sphere in a knot?
10
Work of ICM 2010 plenary speakers (and other humans)
12
Has mathoverflow yet led to mathematical breakthroughs?
5
What’s a nice argument that shows the volume of the unit n-ball in R^n approaches 0?
3
Applications of knot theory
0
Algorithm for finding the volume of a convex polytope
4
Poincaré Conjecture and the Shape of the Universe
7
The finite subgroups of SL(2,C)
3
Why torsion is important in (co)homology ?
17
What makes four dimensions special?
15
What are some of the big open problems in 3-manifold theory?
1
Geometric proof of the Vandermonde determinant?
5
The finite subgroups of SU(n)
3
Algebraic geometry used “externally” (in problems without obvious algebraic structure).
1
Fast trace of inverse of a square matrix
2
Finding n points that are equidistant around the circumference of an ellipse
4
A question about the proof of Mostow rigidity
4
Best mathematics conference?
8
Different ways of thinking about the derivative
22
What do Weierstrass points look like?
3
Important open problems that have already been reduced to a finite but infeasible amount of computation
29
Parallelizability of the Milnor’s exotic spheres in dimension 7
20
Does this approach for the Poincare conjecture work?
20
What are some interesting corollaries of the classification of finite simple groups?
13
Independent evidence for the classification of topological 4-manifolds?
13
How many cubes cover a bigger cube?
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