List questions from geometric-topology

Published on 28 Mar 2026 - 12:02

492

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Fuchsian group with parabolic element

Published on 28 Mar 2026 - 0:47

1.2k

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finite graphs with homeomorphic covering space that do not cover the same graph.

Published on 02 Jul 2015 - 15:41

268

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Open condition given by inequality on functions

Published on 02 Jul 2015 - 15:47

746

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General relationship between braid groups and mapping class groups

Published on 25 Mar 2026 - 9:33

355

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Thom space of unit circle

Published on 05 Jul 2015 - 5:35

388

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Mapping the intersection of hyperplanes/simplex to lower-dimensional unit-simplex

Published on 09 Jul 2015 - 20:41

422

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actions of $\mathbb{Z}_2$ on spheres

Published on 30 Mar 2026 - 13:38

117

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Linear vs smooth actions of finite groups on spheres, Euclidean spaces and closed disks

Published on 14 Jul 2015 - 15:37

1.1k

Views

Fundamental group of open subsets of $\mathbb{R}^n$

Published on 15 Jul 2015 - 22:26

79

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Is there any "Brunnian-like" braid which is not a pure braid in $B_n$ with $n\geq 3$?

Published on 25 Mar 2026 - 13:56

204

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Isotopy: Definition

Published on 17 Jul 2015 - 17:51

300

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The first Kirby move and $\mathbb{C}P^2$

Published on 25 Mar 2026 - 9:24

164

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An intutive proof of 'replacing two-caps by a handle'

Published on 25 Mar 2026 - 8:09

79

Views

equivalent characterizations of manifolds such that configuration spaces are homotopy equivalent

Published on 21 Jul 2015 - 6:07

List Question

natural map to the homotopy fibre

Fuchsian group with parabolic element

finite graphs with homeomorphic covering space that do not cover the same graph.

Open condition given by inequality on functions

General relationship between braid groups and mapping class groups

Thom space of unit circle

Mapping the intersection of hyperplanes/simplex to lower-dimensional unit-simplex

actions of $\mathbb{Z}_2$ on spheres

Linear vs smooth actions of finite groups on spheres, Euclidean spaces and closed disks

Fundamental group of open subsets of $\mathbb{R}^n$

Is there any "Brunnian-like" braid which is not a pure braid in $B_n$ with $n\geq 3$?

Isotopy: Definition

The first Kirby move and $\mathbb{C}P^2$

An intutive proof of 'replacing two-caps by a handle'

equivalent characterizations of manifolds such that configuration spaces are homotopy equivalent

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