List questions from geometric-group-theory

Published on 27 Mar 2026 - 2:34

289

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If $\varphi: F_n\to F_n/[F_n,F_n]$ is onto, then there exists $\Phi:\mathrm{Aut}(F_n)\to \mathrm{Aut} (F_n/[F_n,F_n])$. Why?

Published on 10 Jan 2012 - 10:39

2.4k

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What is the easiest way to generate $\mathrm{GL}(n,\mathbb Z)$?

Published on 11 Jan 2012 - 22:02

161

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Why does every finite subgroup of $\mathrm{Aut}(F_n)$ acts on a graph of Euler characteristic $n-1$?

Published on 16 Jan 2012 - 12:24

1.4k

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How can I draw this Cayley graph?

Published on 28 Jan 2012 - 23:57

1.2k

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Are hyperbolic triangle groups hyperbolic?

Published on 25 Mar 2026 - 16:07

235

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Locally Indicable Hyperbolic Groups

Published on 09 Feb 2012 - 2:49

88

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Dehn Twist in the sense of graphs

Published on 15 Feb 2012 - 14:00

135

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Properties of an element $x\in X$ in the Cayley-Graph $\Gamma(G,X)$ of a group G.

Published on 22 Feb 2012 - 11:23

1.1k

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Name for Cayley graph of a semigroups?

Published on 26 Mar 2026 - 12:46

3k

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Reference request for Geometric Group Theory

Published on 01 Mar 2012 - 6:41

631

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Groups and generating sets

Published on 30 Mar 2012 - 18:24

1.3k

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Free groups and Kazhdan's property (T)

Published on 02 Apr 2012 - 16:03

149

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Relationship between rose and categorical definition of a group?

Published on 03 Apr 2012 - 15:01

648

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Wreath Product of Two Finitely Generated Groups

Published on 25 Mar 2026 - 12:52

List Question

Extensions and Kazhdan's Property (T)

If $\varphi: F_n\to F_n/[F_n,F_n]$ is onto, then there exists $\Phi:\mathrm{Aut}(F_n)\to \mathrm{Aut} (F_n/[F_n,F_n])$. Why?

What is the easiest way to generate $\mathrm{GL}(n,\mathbb Z)$?

Why does every finite subgroup of $\mathrm{Aut}(F_n)$ acts on a graph of Euler characteristic $n-1$?

How can I draw this Cayley graph?

Are hyperbolic triangle groups hyperbolic?

Locally Indicable Hyperbolic Groups

Dehn Twist in the sense of graphs

Properties of an element $x\in X$ in the Cayley-Graph $\Gamma(G,X)$ of a group G.

Name for Cayley graph of a semigroups?

Reference request for Geometric Group Theory

Groups and generating sets

Free groups and Kazhdan's property (T)

Relationship between rose and categorical definition of a group?

Wreath Product of Two Finitely Generated Groups

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