Question

When the ring of fractions of $R$ with respect to any maximal ideal $M$ of $R$ is a field

score 71 · Answer 1 · 2019-04-02 21:16:56

71

Views

When the ring of fractions of $R$ with respect to any maximal ideal $M$ of $R$ is a field

Published on 02 Apr 2019 - 21:16

score 420 · Answer 2 · 2026-04-01 01:17:10

420

Views

Explaination of a justification: additive functors preserve limits

Published on 01 Apr 2026 - 1:17

score 67 · Answer 3 · 2026-03-27 07:48:25

67

Views

Projective module which is direct sum of $R^n$

Published on 27 Mar 2026 - 7:48

score 23 · Answer 4 · 2019-04-04 07:52:24

23

Views

Modules over Noetherian RIngs

Published on 04 Apr 2019 - 7:52

score 138 · Answer 5 · 2019-04-04 16:45:48

138

Views

Is $\mathbb{Q}[x,y]$ integral over $\mathbb{Q}[f,g]$?

Published on 04 Apr 2019 - 16:45

score 25 · Answer 6 · 2019-04-04 17:34:02

25

Views

Left Cyclic Modules and Canonical Homomorphism

Published on 04 Apr 2019 - 17:34

score 79 · Answer 7 · 2026-03-27 00:05:02

79

Views

A subgroup of direct product of countable copies $\mathbb{Z}$

Published on 27 Mar 2026 - 0:05

score 811 · Answer 8 · 2026-03-26 17:42:30

811

Views

Prove that $2 \otimes 1 \neq 0$ in $2\Bbb Z \otimes {\Bbb Z/2\Bbb Z}$ the tensor is over $\Bbb Z$.

Published on 26 Mar 2026 - 17:42

score 28 · Answer 9 · 2019-04-06 09:15:56

28

Views

What is interpretation of follwing lemma?

Published on 06 Apr 2019 - 9:15

score 921 · Answer 10 · 2019-04-06 11:16:35

921

Views

Confusion on $\Bbb ZG$ module and $\Bbb ZG$ ring

Published on 06 Apr 2019 - 11:16

score 137 · Answer 11 · 2026-03-31 04:53:14

137

Views

Certain exact functor on the Grothendieck group of a module category

Published on 31 Mar 2026 - 4:53

score 343 · Answer 12 · 2019-04-07 17:40:13

343

Views

Module $R/I$ indecomposable iff I irreducible.

Published on 07 Apr 2019 - 17:40

score 398 · Answer 13 · 2026-03-25 23:51:43

398

Views

Every short exact sequence with a simple module splits

Published on 25 Mar 2026 - 23:51

score 77 · Answer 14 · 2019-04-07 22:07:29

77

Views

Prove that the map $f: \Bbb C \times \Bbb C \to \Bbb C \times \Bbb C$ by $f(z_1,z_2)=(z_1z_2,z_1\bar{z_2})$ is an $\Bbb R $ bilinear map

Published on 07 Apr 2019 - 22:07

score 203 · Answer 15 · 2026-02-23 04:19:10

203

Views

For an integral extension $A \subseteq B$, $\sqrt{IB}\cap A=\sqrt{I}$

Published on 23 Feb 2026 - 4:19

List Question

When the ring of fractions of $R$ with respect to any maximal ideal $M$ of $R$ is a field

Explaination of a justification: additive functors preserve limits

Projective module which is direct sum of $R^n$

Modules over Noetherian RIngs

Is $\mathbb{Q}[x,y]$ integral over $\mathbb{Q}[f,g]$?

Left Cyclic Modules and Canonical Homomorphism

A subgroup of direct product of countable copies $\mathbb{Z}$

Prove that $2 \otimes 1 \neq 0$ in $2\Bbb Z \otimes {\Bbb Z/2\Bbb Z}$ the tensor is over $\Bbb Z$.

What is interpretation of follwing lemma?

Confusion on $\Bbb ZG$ module and $\Bbb ZG$ ring

Certain exact functor on the Grothendieck group of a module category

Module $R/I$ indecomposable iff I irreducible.

Every short exact sequence with a simple module splits

Prove that the map $f: \Bbb C \times \Bbb C \to \Bbb C \times \Bbb C$ by $f(z_1,z_2)=(z_1z_2,z_1\bar{z_2})$ is an $\Bbb R $ bilinear map

For an integral extension $A \subseteq B$, $\sqrt{IB}\cap A=\sqrt{I}$

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