40

Questions
votes newest views recent
11
21
votes
3
answers
955
views

How can we detect the existence of almost-complex structures?

may 3 11 at 20:45 Joel Fine 3,841●1●12●30

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18
votes
7
answers
2k
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understanding Steenrod squares

mar 29 10 at 8:50 Dev Sinha 2,490●10●20

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16
votes
7
answers
894
views

probabilistic knot theory

nov 10 09 at 3:11 Sam Nead 5,637●12●27

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13
votes
5
answers
1k
views

two conjugate subgroups and one is a proper subset of the other? plus, a covering space interpretation.

jan 16 10 at 18:20 Vipul Naik 4,945●13●44

7
13
votes
4
answers
781
views

Can one use Atiyah-Singer to prove that the Chern-Weil definition of Chern classes are $\mathbb{Z}$-cohomology classes?

jun 30 11 at 13:28 Paul Siegel 9,715●2●33●75

5
12
votes
2
answers
633
views

Is there a unified reason that there are an infinite number of geodesics between nonconjugate points on a compact manifold?

jan 22 12 at 12:18 Benoît Kloeckner 5,741●18●30

6
12
votes
1
answer
443
views

holomorphic K-theory

mar 30 11 at 10:30 Georges Elencwajg 24.6k●66●132

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11
votes
3
answers
885
views

cohomology and Eilenberg-MacLane spaces

aug 1 10 at 17:13 Sean Tilson 2,394●9●26

3
9
votes
3
answers
424
views

“The Z/2-cohomology functor from Top to GrVecSpaces factors through Unstable-A-Mod, and this is the largest algebraic category through which it factors.”

dec 18 10 at 20:45 Andrew Stacey 16.1k●1●40●115

4
9
votes
3
answers
534
views

references / general idea of kervaire invariant problem

jul 26 10 at 23:38 Sean Tilson 2,394●9●26

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