Question

Characterize all left-module of some matrix ring.

score 29 · Answer 1 · 2026-04-16 02:46:34

29

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Characterize all left-module of some matrix ring.

Published on 16 Apr 2026 - 2:46

score 20 · Answer 2 · 2026-04-11 20:58:02

20

Views

Modules and Diagonizability using Primary Decomposition

Published on 11 Apr 2026 - 20:58

score 78 · Answer 3 · 2026-04-12 21:13:34

78

Views

Are modules for the ring of formal power series representations of a certain object?

Published on 12 Apr 2026 - 21:13

score 46 · Answer 4 · 2026-04-17 08:02:26

46

Views

When are abelian categories $\operatorname{mod-}R$ and $\operatorname{mod-}\operatorname{End}_R(M) $ equivalent?

Published on 17 Apr 2026 - 8:02

score 26 · Answer 5 · 2026-04-11 09:12:04

26

Views

How to show :/⊗r→/ is a well-defined R/I module homomorphism

Published on 11 Apr 2026 - 9:12

score 39 · Answer 6 · 2026-03-25 14:36:46

39

Views

How to understand a situation where one can use Nakayama's lemma even when the situation is not Tailor-made.

Published on 25 Mar 2026 - 14:36

score 34 · Answer 7 · 2026-04-15 20:31:23

34

Views

Coequalizer in the category of modules

Published on 15 Apr 2026 - 20:31

score 53 · Answer 8 · 2026-04-14 09:31:14

53

Views

Is $\mathbb{Z}^{\mathbb{N}} \otimes_\mathbb{Z} \mathbb{Q} \cong \mathbb{Q}^{\mathbb{N}}$, non-canonically?

Published on 14 Apr 2026 - 9:31

score 37 · Answer 9 · 2026-04-12 03:16:14

37

Views

Exercise 12, Section 4.1 of Hungerford’s Algebra

Published on 12 Apr 2026 - 3:16

score 49 · Answer 10 · 2026-04-14 06:21:38

49

Views

Polynomial Rings and Finitely Generated Modules

Published on 14 Apr 2026 - 6:21

score 61 · Answer 11 · 2026-04-14 10:19:09

61

Views

Show $\mathbb{C}\backslash \left\{ -1 \right\}$ can be seen $\mathbb{R}$ linear space with the addition $a\oplus b=a+b+ab$

Published on 14 Apr 2026 - 10:19

score 103 · Answer 12 · 2026-04-13 23:36:06

103

Views

Confusion over the use of the term "module" in mathematics and post-quantum cryptography.

Published on 13 Apr 2026 - 23:36

score 42 · Answer 13 · 2026-04-13 02:09:42

42

Views

All module homomorphisms from $\mathbb{Z}^n$ to $\mathbb{Z}$

Published on 13 Apr 2026 - 2:09

score 32 · Answer 14 · 2026-04-12 00:01:18

32

Views

Does this property generalize to modules over noncommutative rings?

Published on 12 Apr 2026 - 0:01

score 36 · Answer 15 · 2026-04-15 19:10:24

36

Views

Jacobson's "Basic Algebra I" Exercise 3.5.1

Published on 15 Apr 2026 - 19:10

List Question

Characterize all left-module of some matrix ring.

Modules and Diagonizability using Primary Decomposition

Are modules for the ring of formal power series representations of a certain object?

When are abelian categories $\operatorname{mod-}R$ and $\operatorname{mod-}\operatorname{End}_R(M) $ equivalent?

How to show :/⊗r→/ is a well-defined R/I module homomorphism

How to understand a situation where one can use Nakayama's lemma even when the situation is not Tailor-made.

Coequalizer in the category of modules

Is $\mathbb{Z}^{\mathbb{N}} \otimes_\mathbb{Z} \mathbb{Q} \cong \mathbb{Q}^{\mathbb{N}}$, non-canonically?

Exercise 12, Section 4.1 of Hungerford’s Algebra

Polynomial Rings and Finitely Generated Modules

Show $\mathbb{C}\backslash \left\{ -1 \right\}$ can be seen $\mathbb{R}$ linear space with the addition $a\oplus b=a+b+ab$

Confusion over the use of the term "module" in mathematics and post-quantum cryptography.

All module homomorphisms from $\mathbb{Z}^n$ to $\mathbb{Z}$

Does this property generalize to modules over noncommutative rings?

Jacobson's "Basic Algebra I" Exercise 3.5.1

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