Question

On finite generation of a special type of Commutative ring

score 44 · Answer 1 · 2026-04-01 19:10:35

44

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On finite generation of a special type of Commutative ring

Published on 01 Apr 2026 - 19:10

score 46 · Answer 2 · 2019-07-27 18:28:29

46

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problem in groups under a binary operation modular n

Published on 27 Jul 2019 - 18:28

score 135 · Answer 3 · 2026-03-27 07:49:35

135

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What does it mean for the $(S^{-1}R)$-module $S^{-1}M$ to be compatible with the $R$-module structure?

Published on 27 Mar 2026 - 7:49

score 193 · Answer 4 · 2026-03-27 14:03:03

193

Views

Are zero rings and modules semisimple?

Published on 27 Mar 2026 - 14:03

score 419 · Answer 5 · 2026-03-25 13:33:23

419

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Noncommutative rings, matrices and homomorphisms of free modules

Published on 25 Mar 2026 - 13:33

score 93 · Answer 6 · 2026-03-25 07:42:55

93

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Confused about the $K$-algebra homomorphism from a representation

Published on 25 Mar 2026 - 7:42

score 233 · Answer 7 · 2026-03-30 12:34:31

233

Views

Confusion about length of module over different rings and Macaulay2 code about computing length of module.

Published on 30 Mar 2026 - 12:34

score 136 · Answer 8 · 2019-07-31 20:44:50

136

Views

Rank of $M=R^{\oplus A}$ as an $R$-module equals the dimension of $V=(K(R))^{\oplus A}$ as a $(K(R))$-vector space.

Published on 31 Jul 2019 - 20:44

score 145 · Answer 9 · 2026-03-25 17:26:19

145

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A simple question on endomorphisms of a noetherian module.

Published on 25 Mar 2026 - 17:26

score 26 · Answer 10 · 2019-08-01 22:06:07

Prove that the right $M_n(R)$ submodules of $R_n$ are precisely of the form $J_n$ where $J$ runs through all the right ideals of $R$

score 297 · Answer 11 · 2026-03-25 06:12:01

297

Views

Typo in Introduction to Commutative Algebra by Atiyah-Macdonald?

Published on 25 Mar 2026 - 6:12

score 77 · Answer 12 · 2026-03-25 03:02:51

77

Views

How to understand a equivalent about the concept of a twisted associative algebra?

Published on 25 Mar 2026 - 3:02

score 812 · Answer 13 · 2026-03-27 14:55:14

812

Views

How to prove finite abelian group is direct sum of cyclic groups by using matrices over Euclidean domain?

Published on 27 Mar 2026 - 14:55

score 161 · Answer 14 · 2019-08-04 04:09:38

161

Views

Finding a necessary and sufficient condition for a free abelian group of rank $1$

Published on 04 Aug 2019 - 4:09

score 993 · Answer 15 · 2026-03-26 04:49:48

993

Views

Split exact sequence induced by tensor product: is my proof correct?

Published on 26 Mar 2026 - 4:49

List Question

On finite generation of a special type of Commutative ring

problem in groups under a binary operation modular n

What does it mean for the $(S^{-1}R)$-module $S^{-1}M$ to be compatible with the $R$-module structure?

Are zero rings and modules semisimple?

Noncommutative rings, matrices and homomorphisms of free modules

Confused about the $K$-algebra homomorphism from a representation

Confusion about length of module over different rings and Macaulay2 code about computing length of module.

Rank of $M=R^{\oplus A}$ as an $R$-module equals the dimension of $V=(K(R))^{\oplus A}$ as a $(K(R))$-vector space.

A simple question on endomorphisms of a noetherian module.

Prove that the right $M_n(R)$ submodules of $R_n$ are precisely of the form $J_n$ where $J$ runs through all the right ideals of $R$

Typo in Introduction to Commutative Algebra by Atiyah-Macdonald?

How to understand a equivalent about the concept of a twisted associative algebra?

How to prove finite abelian group is direct sum of cyclic groups by using matrices over Euclidean domain?

Finding a necessary and sufficient condition for a free abelian group of rank $1$

Split exact sequence induced by tensor product: is my proof correct?

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