User Paul

47 votes

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Which manifolds are homeomorphic to simplicial complexes?

answered Oct 29, 2010 at 0:53

46 votes

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How to draw knots with Latex?

answered Apr 15, 2010 at 13:11

34 votes

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When is a Homology Class Represented by a Submanifold?

answered Apr 13, 2010 at 13:01

22 votes

Refereeing a Paper

answered Aug 25, 2010 at 3:15

16 votes

(Co)homology of the Eilenberg-MacLane spaces K(G,n)

answered May 15, 2010 at 18:41

16 votes

What to look for in applicants to graduate programs (in mathematics)?

answered Feb 22, 2010 at 0:49

16 votes

The finite subgroups of SL(2,C)

answered Feb 23, 2010 at 0:00

14 votes

Betti number and harmonic forms

answered Nov 5, 2010 at 2:09

14 votes

Are there examples of non-orientable manifolds in nature?

answered Nov 12, 2010 at 19:06

14 votes

Status of PL topology

answered May 6, 2012 at 22:21

13 votes

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Rational Homology of a Covering Space

answered Feb 27, 2012 at 3:04

12 votes

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The (n+1)-st cohomology of K(Z/p,n).

answered Feb 7, 2010 at 14:44

11 votes

Proofs of Rohlin's theorem (an oriented 4-manifold with zero signature bounds a 5-manifold)

answered Nov 13, 2010 at 19:07

11 votes

Compactification theorem for differentiable manifolds ?

answered Apr 24, 2010 at 17:38

11 votes

Usefulness of using TQFTs

answered Apr 4, 2011 at 23:58

10 votes

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Laplace-deRham operator for 1-forms on the sphere

answered Mar 8, 2011 at 0:33

8 votes

Algebraic De Rham cup product versus Betti cup product

answered Apr 26, 2012 at 2:56

7 votes

The relationship between group cohomology and topological cohomology theories

answered Aug 13, 2011 at 5:27

7 votes

Some basic questions about Chern-Simons theory

answered Jul 14, 2010 at 23:13

7 votes

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Alexander polynomial or Reidemeister torsion for knotted surfaces?

answered Jul 27, 2010 at 23:41

7 votes

Intuition on finite homotopy groups

answered Sep 9, 2010 at 23:22

6 votes

Computing H_2 from pi_1=Z and pi_2

answered Feb 7, 2011 at 4:02

6 votes

Intersection form in twisted homology (homology with local coefficients)

answered Feb 23, 2010 at 2:22

6 votes

When do two holonomy maps determine flat bundles that are isomorphic as just bundles (w/o regard to the flat connections)?

answered Mar 4, 2010 at 21:39

6 votes

How to compute the (co)homology of orbit spaces (when the action is not free)?

answered Apr 2, 2010 at 0:08

6 votes

Accepted

Representations of \pi_1, G-bundles, Classifying Spaces

answered Apr 9, 2010 at 1:57

6 votes

Generalised linking numbers (where they shouldn't be)

answered Jul 20, 2011 at 20:46

5 votes

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slice knots, what does the locally flat condition say?

answered Apr 23, 2012 at 23:44

5 votes

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Characteristic classes of a fibered sum

answered Feb 8, 2012 at 14:33

5 votes

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PD3 groups and PD4 complexes

answered Mar 18, 2010 at 23:21

Stack Exchange Network

54 Answers

Which manifolds are homeomorphic to simplicial complexes?

How to draw knots with Latex?

When is a Homology Class Represented by a Submanifold?

Refereeing a Paper

(Co)homology of the Eilenberg-MacLane spaces K(G,n)

What to look for in applicants to graduate programs (in mathematics)?

The finite subgroups of SL(2,C)

Betti number and harmonic forms

Are there examples of non-orientable manifolds in nature?

Status of PL topology

Rational Homology of a Covering Space

The (n+1)-st cohomology of K(Z/p,n).

Proofs of Rohlin's theorem (an oriented 4-manifold with zero signature bounds a 5-manifold)

Compactification theorem for differentiable manifolds ?

Usefulness of using TQFTs

Laplace-deRham operator for 1-forms on the sphere

Algebraic De Rham cup product versus Betti cup product

The relationship between group cohomology and topological cohomology theories

Some basic questions about Chern-Simons theory

Alexander polynomial or Reidemeister torsion for knotted surfaces?

Intuition on finite homotopy groups

Computing H_2 from pi_1=Z and pi_2

Intersection form in twisted homology (homology with local coefficients)

When do two holonomy maps determine flat bundles that are isomorphic as just bundles (w/o regard to the flat connections)?

How to compute the (co)homology of orbit spaces (when the action is not free)?

Representations of \pi_1, G-bundles, Classifying Spaces

Generalised linking numbers (where they shouldn't be)

slice knots, what does the locally flat condition say?

Characteristic classes of a fibered sum

PD3 groups and PD4 complexes