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1 vote

0 answers

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List of automorphism groups of low-dimensional complex commutative algebras?

M.G.

6,499

asked 11 hours ago

5 votes

1 answer

157 views

Retract of a product

Achim Krause

7,379

modified 16 hours ago

7 votes

1 answer

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Joshua Mundinger

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modified yesterday

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Dave Benson

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answered yesterday

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29 views

proper retract of a limit group

Mahtab

93

asked yesterday

3 votes

0 answers

95 views

Assigning a finite number, $n(G)$, to an elementary amenable group $G$ with $\operatorname{cd}G<\infty$

Mahtab

93

modified 2 days ago

4 votes

2 answers

322 views

Splitting field for $\mathrm{GL}(2,p)$ - reference request

Geoff Robinson

40.6k

modified 2 days ago

3 votes

1 answer

110 views

Generating $\mathbf{PGL}_2(\mathbb{Z})$ and $\mathbf{PGL}_2(\mathbb{Q})$

Aurel

4,649

answered 2 days ago

0 votes

1 answer

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Classes of groups with finitely many retracts

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A bridge between the algebraic / differential geometry of $\frak{sl}_2(\mathbb{C})$ and the Sheffer-Appell calculus and combinatorics

Tom Copeland

9,197

modified Jun 6 at 3:50

1 vote

0 answers

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Limit of groups with Kazhdan property (T)

Michael Hardy

10.3k

modified Jun 5 at 23:36

6 votes

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250 views

Topological generators for $\mathrm{SL}_2(\mathbf{Z}_p)$

David E Speyer

146k

answered Jun 5 at 14:22

-1 votes

0 answers

60 views

What are strategies for determining the action used in a semidirect product? I'n particular I'm trying to consider $E_q^3:GL_2(q)$ for $q$ even.?

NewViewsMath

7

asked Jun 5 at 14:04

12 votes

1 answer

365 views

abelian quotients of permutation groups

YCor

56.2k

modified Jun 5 at 13:20

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List of automorphism groups of low-dimensional complex commutative algebras?

Retract of a product

Conjugation of the quotient of $\mathrm{SL}(n,\mathbb{C})$ by a finite subgroup

A Tate resolution for $\Sigma_p$ - Reference request

proper retract of a limit group

Assigning a finite number, $n(G)$, to an elementary amenable group $G$ with $\operatorname{cd}G<\infty$

Splitting field for $\mathrm{GL}(2,p)$ - reference request

Generating $\mathbf{PGL}_2(\mathbb{Z})$ and $\mathbf{PGL}_2(\mathbb{Q})$

Classes of groups with finitely many retracts

A bridge between the algebraic / differential geometry of $\frak{sl}_2(\mathbb{C})$ and the Sheffer-Appell calculus and combinatorics

Limit of groups with Kazhdan property (T)

Topological generators for $\mathrm{SL}_2(\mathbf{Z}_p)$

What are strategies for determining the action used in a semidirect product? I'n particular I'm trying to consider $E_q^3:GL_2(q)$ for $q$ even.?

abelian quotients of permutation groups

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