Question

Discrete Closed Subgroup H of a Simply Connected Topological Group G isomorphic to fundamental group of G / H.

score 766 · Answer 1 · 2013-10-29 04:46:48

766

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Discrete Closed Subgroup H of a Simply Connected Topological Group G isomorphic to fundamental group of G / H.

Published on 29 Oct 2013 - 4:46

score 239 · Answer 2 · 2026-03-28 08:51:23

239

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Splitting of a surface group over the subgroup associated to a closed geodesic

Published on 28 Mar 2026 - 8:51

score 1.4k · Answer 3 · 2013-11-05 23:27:00

1.4k

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How to determine space with a given fundamental group.

Published on 05 Nov 2013 - 23:27

score 677 · Answer 4 · 2026-03-31 04:06:41

677

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How to compute the fundamental group of a necklace of $\mathbb{S}^1$' s?

Published on 31 Mar 2026 - 4:06

score 564 · Answer 5 · 2026-03-26 19:35:49

564

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Reference for Hasse-Witt invariant

Published on 26 Mar 2026 - 19:35

score 881 · Answer 6 · 2013-11-21 05:56:15

881

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Prove that the fundamental group of $X$ is Abelian

Published on 21 Nov 2013 - 5:56

score 408 · Answer 7 · 2013-11-22 09:19:39

408

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What is the group $\Gamma$ such that $\mathbb{H}/\Gamma$ is a genus-n torus

Published on 22 Nov 2013 - 9:19

score 251 · Answer 8 · 2013-11-26 15:30:35

Let $X:=\mathbb R^2\setminus\{x_0,x_1\}$, where $x_0,x_1\in\mathbb R^2\setminus\{0,0\}$. Compute the fundamental Group of $\pi_1(X,(0,0))$

score 203 · Answer 9 · 2013-11-27 12:50:26

203

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Non self-intersecting representatives in fundamental class

Published on 27 Nov 2013 - 12:50

score 2.2k · Answer 10 · 2013-12-02 04:51:06

2.2k

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Fundamental group obtained by attaching a n-cell with n ≥ 2

Published on 02 Dec 2013 - 4:51

score 97 · Answer 11 · 2013-12-03 16:56:37

97

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Need help on finding homotopy

Published on 03 Dec 2013 - 16:56

score 163 · Answer 12 · 2026-03-25 13:55:08

163

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Fundamental group of a complete intersection in real projective spaces

Published on 25 Mar 2026 - 13:55

score 311 · Answer 13 · 2026-03-28 10:41:33

311

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Connected Covering Space of a Bouquet of 3 Circles

Published on 28 Mar 2026 - 10:41

score 878 · Answer 14 · 2013-12-06 22:42:31

878

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Fundamental Group Two Tori

Published on 06 Dec 2013 - 22:42

score 1.4k · Answer 15 · 2013-12-11 01:16:47

1.4k

Views

Find the fundamental group of the product of two circles with the diagonal removed.

Published on 11 Dec 2013 - 1:16

List Question

Discrete Closed Subgroup H of a Simply Connected Topological Group G isomorphic to fundamental group of G / H.

Splitting of a surface group over the subgroup associated to a closed geodesic

How to determine space with a given fundamental group.

How to compute the fundamental group of a necklace of $\mathbb{S}^1$' s?

Reference for Hasse-Witt invariant

Prove that the fundamental group of $X$ is Abelian

What is the group $\Gamma$ such that $\mathbb{H}/\Gamma$ is a genus-n torus

Let $X:=\mathbb R^2\setminus\{x_0,x_1\}$, where $x_0,x_1\in\mathbb R^2\setminus\{0,0\}$. Compute the fundamental Group of $\pi_1(X,(0,0))$

Non self-intersecting representatives in fundamental class

Fundamental group obtained by attaching a n-cell with n ≥ 2

Need help on finding homotopy

Fundamental group of a complete intersection in real projective spaces

Connected Covering Space of a Bouquet of 3 Circles

Fundamental Group Two Tori

Find the fundamental group of the product of two circles with the diagonal removed.

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