User Oscar Randal-Williams

80 votes

1 answer

3k views

Topological cobordisms between smooth manifolds

asked Jun 5, 2015 at 8:08

17 votes

2 answers

1k views

Signs in the unstable homotopy groups of spheres

asked Nov 22, 2011 at 21:13

14 votes

2 answers

2k views

Ordinary cohomology of stacks

asked May 12, 2010 at 18:01

13 votes

1 answer

670 views

Spin TQFT's in dimensions (1+1)

asked Apr 14, 2011 at 16:03

10 votes

0 answers

294 views

A certain semi-simplicial space

asked May 27, 2020 at 17:33

9 votes

1 answer

1k views

Picard group of $\mathfrak{M}_g$

asked Nov 15, 2010 at 9:47

8 votes

2 answers

448 views

Approximating holomorphic maps by holomorphic embeddings

asked May 2, 2010 at 10:24

6 votes

2 answers

2k views

Transfer homomorphisms with coefficients

asked Nov 11, 2010 at 10:00

6 votes

1 answer

1k views

Homotopy pullbacks of simplicial spaces, and Bousfield-Friedlander

asked Mar 21, 2010 at 13:24

5 votes

1 answer

765 views

Bousfield-Kan spectral sequence with local coefficients

asked Mar 24, 2010 at 20:28

5 votes

1 answer

314 views

What would one call this generalisation of the moduli space of theta-characteristics

asked Dec 30, 2010 at 18:48

5 votes

1 answer

470 views

The graded multiplication on topological $K$-theory

asked Feb 23, 2023 at 17:28

2 votes

0 answers

378 views

Quasi-projective orbifolds and algebraic line bundles

asked Jul 28, 2010 at 12:46

2 votes

1 answer

586 views

Picard group of complex orbifolds

asked Sep 16, 2010 at 17:14

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14 Questions

Topological cobordisms between smooth manifolds

Signs in the unstable homotopy groups of spheres

Ordinary cohomology of stacks

Spin TQFT's in dimensions (1+1)

A certain semi-simplicial space

Picard group of $\mathfrak{M}_g$

Approximating holomorphic maps by holomorphic embeddings

Transfer homomorphisms with coefficients

Homotopy pullbacks of simplicial spaces, and Bousfield-Friedlander

Bousfield-Kan spectral sequence with local coefficients

What would one call this generalisation of the moduli space of theta-characteristics

The graded multiplication on topological $K$-theory

Quasi-projective orbifolds and algebraic line bundles

Picard group of complex orbifolds