9

Questions
votes newest views recent
22
24
votes
5
answers
4k
views

Is there a complex structure on the 6-sphere?

jun 27 11 at 17:53 Al-burcas 101●1●3

6
21
votes
4
answers
1k
views

Ellipse naturally associated with a polygon

may 8 12 at 14:41 Vladimir S Matveev 699●4●6

7
8
votes
5
answers
1k
views

Geodesics on a Grassmannian

may 19 at 17:27 Peter Michor 5,577●11●18

9
15
votes
5
answers
985
views

Point singularity of a Riemannian manifold with bounded curvature

apr 13 11 at 22:40 Anton Petrunin 16.5k●41●110

3
10
votes
11
answers
873
views

Ring with three binary operations

may 6 at 6:05 James Borger 5,913●1●17●44

4
6
votes
2
answers
657
views

Existence, uniqueness, and regularity for linear parabolic PDE on a complete Riemannian manifold

jun 15 at 22:37 Deane Yang 12.6k●1●33●82

2
5
votes
4
answers
540
views

What is the easiest way to classify all possible smooth orientable closed 2-manifolds?

apr 15 10 at 10:41 John Stillwell 8,121●5●42●79

2
10
votes
2
answers
410
views

Is a smooth closed surface in Euclidean 3-space rigid?

jul 16 11 at 5:40 Jean-Marc Schlenker 838●1●5●9

2
5
votes
1
answer
368
views

Isometric embedding of a positively curved polyhedral surface

may 3 10 at 2:26 Gjergji Zaimi 37.5k●2●72●149