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Borromean
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13 Questions

Score Activity Newest Views
18 votes
1 answer
958 views

Wu formula for manifolds with boundary

13 votes
1 answer
863 views

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

11 votes
1 answer
783 views

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

11 votes
0 answers
264 views

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

10 votes
1 answer
595 views

Cell structures of Dold manifold and Wu manifold

8 votes
0 answers
262 views

Generalize Wu formula to general Bockstein homomorphisms

8 votes
1 answer
703 views

Cobordism invariants: topological v.s. geometric

6 votes
1 answer
254 views

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

6 votes
0 answers
169 views

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

4 votes
1 answer
255 views

Trivialization of Pontryagin square on oriented $4$-manifolds

4 votes
0 answers
280 views

Generalized Postnikov square

4 votes
1 answer
1k views

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

2 votes
0 answers
180 views

Asymptotic expansion of the Hessian of the distance function