Question

What is the intersection of the vertices of a face of a simplicial complex?

score 111 · Answer 1 · 2026-03-23 13:53:14

111

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What is the intersection of the vertices of a face of a simplicial complex?

Published on 23 Mar 2026 - 13:53

score 1.9k · Answer 2 · 2026-03-22 17:47:05

1.9k

Views

Group with order $pq$ has subgroups of order $p$ and $q$

Published on 22 Mar 2026 - 17:47

score 86 · Answer 3 · 2026-03-20 22:18:11

86

Views

How to construct a group whose "size" grows between polynomially and exponentially.

Published on 20 Mar 2026 - 22:18

score 182 · Answer 4 · 2026-03-21 20:47:29

182

Views

Conjugacy class formula

Published on 21 Mar 2026 - 20:47

score 113 · Answer 5 · 2026-03-22 01:12:12

113

Views

$G$ abelian when $Z(G)$ is a proper subset of $G$?

Published on 22 Mar 2026 - 1:12

score 189 · Answer 6 · 2026-03-20 20:12:12

189

Views

A group of order 189 is not simple

Published on 20 Mar 2026 - 20:12

score 56 · Answer 7 · 2026-03-18 05:27:05

56

Views

Minimal dimension needed for linearization of group action

Published on 18 Mar 2026 - 5:27

score 66 · Answer 8 · 2026-03-18 14:26:33

66

Views

For a $G$ a finite subgroup of $\mathbb{GL}_2(\mathbb{R})$ of rank $3$, show that $f^2 = \textrm{Id}$ for all $f \in G$

Published on 18 Mar 2026 - 14:26

score 1k · Answer 9 · 2026-03-22 02:38:45

1k

Views

subgroups that contain a normal subgroup is also normal

Published on 22 Mar 2026 - 2:38

score 175 · Answer 10 · 2026-03-20 05:00:49

175

Views

Could anyone give an example that a problem that can be solved by creating a new group?

Published on 20 Mar 2026 - 5:00

score 263 · Answer 11 · 2026-03-18 01:46:13

263

Views

Invariant factor decomposition of quotient group of two subgroups of $\mathbb{Z}^n$.

Published on 18 Mar 2026 - 1:46

score 38 · Answer 12 · 2026-03-17 22:00:38

38

Views

Assuming unitarity of arbitrary representations in proof of Schur's lemma

Published on 17 Mar 2026 - 22:00

score 2.7k · Answer 13 · 2026-03-22 00:27:06

2.7k

Views

What does $\Bbb Z_7$ mean?

Published on 22 Mar 2026 - 0:27

score 1k · Answer 14 · 2026-03-22 09:06:48

1k

Views

Order of generators in infinite cyclic group.

Published on 22 Mar 2026 - 9:06

score 63 · Answer 15 · 2026-03-22 11:45:13

63

Views

Show that $G$ has $\frac{p+3}{2}$ different conjugation classes

Published on 22 Mar 2026 - 11:45

List Question

What is the intersection of the vertices of a face of a simplicial complex?

Group with order $pq$ has subgroups of order $p$ and $q$

How to construct a group whose "size" grows between polynomially and exponentially.

Conjugacy class formula

$G$ abelian when $Z(G)$ is a proper subset of $G$?

A group of order 189 is not simple

Minimal dimension needed for linearization of group action

For a $G$ a finite subgroup of $\mathbb{GL}_2(\mathbb{R})$ of rank $3$, show that $f^2 = \textrm{Id}$ for all $f \in G$

subgroups that contain a normal subgroup is also normal

Could anyone give an example that a problem that can be solved by creating a new group?

Invariant factor decomposition of quotient group of two subgroups of $\mathbb{Z}^n$.

Assuming unitarity of arbitrary representations in proof of Schur's lemma

What does $\Bbb Z_7$ mean?

Order of generators in infinite cyclic group.

Show that $G$ has $\frac{p+3}{2}$ different conjugation classes

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