25

Questions

24
33
votes
30
answers
4k
views

Fundamental problems whose solution seems completely out of reach [closed]

jul 3 at 15:54 Mohan 89234

2
11
votes
2
answers
498
views

For what metrics are circles solutions of the isoperimetric problem?

jul 5 at 15:57 Robert Bryant 21.8k37597

2
10
votes
2
answers
308
views

A problem on convex geometry

dec 13 at 9:28 Petya 2,965624

3
9
votes
2
answers
495
views

Ellipsoids and lattices: an enclosure problem.

apr 27 at 16:13 alvarezpaiva 4,132521

2
8
votes
0
answers
191
views

Length spectrum for Riemannian metrics in the projective plane

mar 8 12 at 22:35 alvarezpaiva 4,132521

4
7
votes
2
answers
411
views

Configuration spaces and non homeomorphic vector bundles

mar 29 12 at 11:01 Paolo Salvatore 31615

3
7
votes
1
answer
236
views

Characterizing maximal powers of closed 2-forms in odd-dimensional manifolds

jan 7 at 13:06 Robert Bryant 21.8k37597

4
7
votes
1
answer
401
views

Reference request : Ehrhart’s conjecture on the geometry of numbers

mar 8 12 at 22:51 alvarezpaiva 4,132521

1
7
votes
2
answers
217
views

Oriented double normals

feb 5 12 at 15:49 Petya 2,965624

 
7
votes
1
answer
421
views

Does the length spectrum determine the volume?

mar 14 12 at 19:39 alvarezpaiva 4,132521

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