User Borromean

18 votes

1 answer

1k views

Wu formula for manifolds with boundary

asked Apr 17, 2019 at 17:05

13 votes

1 answer

899 views

Cohomology of $ko,tmf,MSpin,MString$ with coefficients $\mathbb{Z}/p$ for odd primes $p$

asked Apr 8, 2018 at 4:16

11 votes

1 answer

815 views

The set of homotopy classes of maps between compact manifolds is countable

asked Dec 16, 2016 at 1:37

11 votes

0 answers

266 views

Madsen-Tillmann spectrum $MTE$ of the group $E$ which is defined in Freed-Hopkins's paper

asked Feb 26, 2019 at 9:22

10 votes

1 answer

634 views

Cell structures of Dold manifold and Wu manifold

asked Sep 2, 2018 at 15:56

8 votes

0 answers

272 views

Generalize Wu formula to general Bockstein homomorphisms

asked Jan 15, 2019 at 4:37

8 votes

1 answer

784 views

Cobordism invariants: topological v.s. geometric

asked Mar 25, 2020 at 15:45

6 votes

1 answer

269 views

Pants decomposition and moduli space of $\Sigma_g$ for $g>1$

asked Oct 11, 2020 at 8:08

6 votes

0 answers

179 views

Cell structures of simply-connected 5-manifolds (classified by Barden's 1965 paper)

asked Nov 12, 2018 at 8:44

5 votes

1 answer

2k views

Hessian of the distance function--comparison with the space form with constant sectional curvature 0

asked Apr 26, 2022 at 3:18

4 votes

1 answer

263 views

Trivialization of Pontryagin square on oriented $4$-manifolds

asked Oct 14, 2018 at 8:17

4 votes

0 answers

290 views

Generalized Postnikov square

asked Oct 23, 2018 at 3:34

2 votes

0 answers

237 views

Asymptotic expansion of the Hessian of the distance function

asked May 4, 2022 at 4:27

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13 Questions

Wu formula for manifolds with boundary

Cohomology of $ko,tmf,MSpin,MString$ with coefficients $\mathbb{Z}/p$ for odd primes $p$

The set of homotopy classes of maps between compact manifolds is countable

Madsen-Tillmann spectrum $MTE$ of the group $E$ which is defined in Freed-Hopkins's paper

Cell structures of Dold manifold and Wu manifold

Generalize Wu formula to general Bockstein homomorphisms

Cobordism invariants: topological v.s. geometric

Pants decomposition and moduli space of $\Sigma_g$ for $g>1$

Cell structures of simply-connected 5-manifolds (classified by Barden's 1965 paper)

Hessian of the distance function--comparison with the space form with constant sectional curvature 0

Trivialization of Pontryagin square on oriented $4$-manifolds

Generalized Postnikov square

Asymptotic expansion of the Hessian of the distance function