33

Questions

3
8
votes
2
answers
573
views

Torus knots in Euclidean space — a symmetry argument

aug 9 11 at 7:50 BenoƮt Kloeckner 5,4891829

1
8
votes
1
answer
312
views

4-manifolds in the 4-sphere such that it, *and* its complement have unsolvable word problem

jul 27 10 at 21:13 Dmitri 16.5k13677

3
7
votes
2
answers
580
views

Fibrewise homotopy-equivalence of unit sphere bundles vs isomorphism of tangent bundles

jan 10 11 at 2:27 Igor Belegradek 9,87111342

 
7
votes
2
answers
291
views

Some mid-sized ¿hyperbolic? manifolds and SnapPea

nov 16 at 22:47 Ryan Budney 21.6k140101

4
6
votes
3
answers
216
views

An obstruction theory for promoting homotopy equivalences that are equivariant maps to equivariant homotopy equivalences?

jun 29 10 at 2:17 Ben Wieland 3,127421

1
6
votes
2
answers
264
views

Formulas for vector fields on Grassmannians?

dec 31 09 at 20:51 jvp 5,3801823

6
6
votes
2
answers
718
views

A problem/conjecture related to 4-manifolds that deserves a name. What name does it deserve?

mar 28 10 at 7:15 Peter Teichner 1,226148

2
6
votes
4
answers
844
views

Generating ribbon diagrams for knots known to be ribbon knots

oct 15 at 9:37 Christoph Lamm 8111

1
5
votes
2
answers
531
views

Ideals in the ring of single-variable Laurent polynomials with integer coefficients

jul 28 10 at 20:41 Bill Dubuque 2,1681320

1
5
votes
2
answers
563
views

Operad terminology - Operads with and without O(0).

mar 25 12 at 1:57 Ittay Weiss 1787

prev 1 2 3 4 next