Question

Dual modules and bimodules for noncommutative rings

score 162 · Answer 1 · 2026-03-25 16:41:12

162

Views

Dual modules and bimodules for noncommutative rings

Published on 25 Mar 2026 - 16:41

score 181 · Answer 2 · 2019-08-29 11:57:03

181

Views

Show that $\mathbb{Q}$ is finitely generated $\mathbb{Q}[x_1,x_2,\dots]$-module

Published on 29 Aug 2019 - 11:57

score 487 · Answer 3 · 2026-03-25 17:29:18

487

Views

A question about dihedral group

Published on 25 Mar 2026 - 17:29

score 601 · Answer 4 · 2026-03-25 13:34:21

601

Views

Every finitely generated module of a PID is a direct sum of a free module and of a torsion module

Published on 25 Mar 2026 - 13:34

score 60 · Answer 5 · 2019-09-06 15:32:12

60

Views

class of abelian groups

Published on 06 Sep 2019 - 15:32

score 500 · Answer 6 · 2026-03-25 15:52:42

500

Views

Word metric on a finitely generated subgroup versus the word metric of its finitely generated parent

Published on 25 Mar 2026 - 15:52

score 98 · Answer 7 · 2026-03-25 15:52:37

98

Views

Is this a finitely generated subgroup of a finitely presented group?

Published on 25 Mar 2026 - 15:52

score 1.2k · Answer 8 · 2026-03-25 14:28:45

1.2k

Views

Why any countable subset of $\mathbb{R}→\mathbb{R}$ is generated by a finite set under composition?

Published on 25 Mar 2026 - 14:28

score 173 · Answer 9 · 2019-09-15 13:35:31

173

Views

Show that $\mathbb{F}_p[x,y]/\langle x^py-xy^p\rangle$ is not finitely generated over $\mathbb{F}_p[x-ay]$

Published on 15 Sep 2019 - 13:35

score 148 · Answer 10 · 2019-09-16 20:00:44

148

Views

A dual of the result " every finitely generated module over a commutative ring is Hopfian"

Published on 16 Sep 2019 - 20:00

score 54 · Answer 11 · 2019-09-28 20:23:14

54

Views

About length of an element $g\in G$

Published on 28 Sep 2019 - 20:23

score 49 · Answer 12 · 2019-09-29 15:52:43

49

Views

Understanding a lemma about a finitely generated group

Published on 29 Sep 2019 - 15:52

score 187 · Answer 13 · 2014-03-13 06:12:14

187

Views

A field extension $K \subseteq F$ is finitely-generated if and only if there exists a ring epimorphism $K[t_1 \cdots t_n] \twoheadrightarrow F$

Published on 13 Mar 2014 - 6:12

score 223 · Answer 14 · 2014-03-13 16:26:11

223

Views

How can I complete the proof of Noetherianity of I. S. Cohen?

Published on 13 Mar 2014 - 16:26

score 385 · Answer 15 · 2014-03-18 04:05:53

385

Views

Questions about finitely generated nilpotent groups

Published on 18 Mar 2014 - 4:05

List Question

Dual modules and bimodules for noncommutative rings

Show that $\mathbb{Q}$ is finitely generated $\mathbb{Q}[x_1,x_2,\dots]$-module

A question about dihedral group

Every finitely generated module of a PID is a direct sum of a free module and of a torsion module

class of abelian groups

Word metric on a finitely generated subgroup versus the word metric of its finitely generated parent

Is this a finitely generated subgroup of a finitely presented group?

Why any countable subset of $\mathbb{R}→\mathbb{R}$ is generated by a finite set under composition?

Show that $\mathbb{F}_p[x,y]/\langle x^py-xy^p\rangle$ is not finitely generated over $\mathbb{F}_p[x-ay]$

A dual of the result " every finitely generated module over a commutative ring is Hopfian"

About length of an element $g\in G$

Understanding a lemma about a finitely generated group

A field extension $K \subseteq F$ is finitely-generated if and only if there exists a ring epimorphism $K[t_1 \cdots t_n] \twoheadrightarrow F$

How can I complete the proof of Noetherianity of I. S. Cohen?

Questions about finitely generated nilpotent groups

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