Question

Irreducible characteristic polynomial and invariant subspaces

score 746 · Answer 1 · 2019-03-12 10:51:48

746

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Irreducible characteristic polynomial and invariant subspaces

Published on 12 Mar 2019 - 10:51

score 72 · Answer 2 · 2026-03-31 22:05:29

72

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When The FP-injective cover of module is surjective

Published on 31 Mar 2026 - 22:05

score 286 · Answer 3 · 2026-03-30 15:00:36

286

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Homogeneous elements of an ideal over a quotient ring

Published on 30 Mar 2026 - 15:00

score 53 · Answer 4 · 2026-03-25 04:59:04

53

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If $B$ is an $A$-algebra of Noetherian rings then $\text{Ass}_{A}M=\{f^{-1}(p):p \in \text{Ass}_{B}M\}$ for a f.g. $B$-module $M.$

Published on 25 Mar 2026 - 4:59

score 178 · Answer 5 · 2026-03-25 15:01:57

178

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In R-Mod, all monomorphisms are equalizers

Published on 25 Mar 2026 - 15:01

score 295 · Answer 6 · 2026-03-25 07:45:41

295

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Right derived functors of the $I$-torsion functor and $\varinjlim \mathrm{Ext}^i_R(R/I^n,-)$ are naturally isomorphic?

Published on 25 Mar 2026 - 7:45

score 62 · Answer 7 · 2019-03-15 08:11:08

62

Views

Show this quotient is isomorphic to...

Published on 15 Mar 2019 - 8:11

score 41 · Answer 8 · 2019-03-15 09:17:13

41

Views

Is $a+a$ contained in the cyclic submodule over $R$?

Published on 15 Mar 2019 - 9:17

score 605 · Answer 9 · 2019-03-15 14:34:34

605

Views

How describe the structure of $M/\mathrm{Tor}(M)$?

Published on 15 Mar 2019 - 14:34

score 69 · Answer 10 · 2019-03-16 04:37:12

69

Views

Does the following property of matrices hold for any commutative ring with identity?

Published on 16 Mar 2019 - 4:37

score 99 · Answer 11 · 2026-03-25 06:13:12

99

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On a subset of the associated primes of tensor product of modules

Published on 25 Mar 2026 - 6:13

score 84 · Answer 12 · 2026-03-27 06:15:28

84

Views

projective module, The module not projective

Published on 27 Mar 2026 - 6:15

score 209 · Answer 13 · 2019-03-16 11:55:34

209

Views

Prove: $N$ is a submodule of $M \iff N$ is a kernel of some homomorphism.

Published on 16 Mar 2019 - 11:55

score 127 · Answer 14 · 2026-03-25 01:20:29

127

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What are the inverses in the Grothendieck group of a module category?

Published on 25 Mar 2026 - 1:20

score 52 · Answer 15 · 2019-03-16 16:20:54

52

Views

Is tensor product of two modules a free or a product/coproduct in a suitable category?

Published on 16 Mar 2019 - 16:20

List Question

Irreducible characteristic polynomial and invariant subspaces

When The FP-injective cover of module is surjective

Homogeneous elements of an ideal over a quotient ring

If $B$ is an $A$-algebra of Noetherian rings then $\text{Ass}_{A}M=\{f^{-1}(p):p \in \text{Ass}_{B}M\}$ for a f.g. $B$-module $M.$

In R-Mod, all monomorphisms are equalizers

Right derived functors of the $I$-torsion functor and $\varinjlim \mathrm{Ext}^i_R(R/I^n,-)$ are naturally isomorphic?

Show this quotient is isomorphic to...

Is $a+a$ contained in the cyclic submodule over $R$?

How describe the structure of $M/\mathrm{Tor}(M)$?

Does the following property of matrices hold for any commutative ring with identity?

On a subset of the associated primes of tensor product of modules

projective module, The module not projective

Prove: $N$ is a submodule of $M \iff N$ is a kernel of some homomorphism.

What are the inverses in the Grothendieck group of a module category?

Is tensor product of two modules a free or a product/coproduct in a suitable category?

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