Question

Composition of Homomorphisms Implies Homomorphism

score 248 · Answer 1 · 2026-03-27 21:51:30

248

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Composition of Homomorphisms Implies Homomorphism

Published on 27 Mar 2026 - 21:51

score 498 · Answer 2 · 2026-03-28 05:55:53

498

Views

Pushforward of quasi-coherent sheaves to quotient stack for finite group action?

Published on 28 Mar 2026 - 5:55

score 476 · Answer 3 · 2018-08-22 20:25:22

476

Views

Dummit and Foote on Tensor Products of Modules

Published on 22 Aug 2018 - 20:25

score 263 · Answer 4 · 2018-08-23 23:17:03

263

Views

Weakly compact $\iff$ sequentially weakly compact.

Published on 23 Aug 2018 - 23:17

score 211 · Answer 5 · 2026-03-25 22:11:07

211

Views

Showing $d\pi$ is non-zero in module of Kähler differentials

Published on 25 Mar 2026 - 22:11

score 817 · Answer 6 · 2026-03-25 01:17:36

817

Views

Quotients of powers of maximal ideal in a local ring.

Published on 25 Mar 2026 - 1:17

score 227 · Answer 7 · 2018-08-26 11:14:53

227

Views

Does the tensor product preserve coreflexive equalizers?

Published on 26 Aug 2018 - 11:14

score 51 · Answer 8 · 2018-08-27 08:44:45

Help with notation/concepts in module theory and category theory, specifically $\operatorname{Add}(M)$, $\operatorname{Gen}(M)$ and $^\circ(M^\circ)$

score 256 · Answer 9 · 2018-08-27 13:12:32

256

Views

base of free module $\{(x,y,z)\in\mathbb{Z}^3: 2x+3y+3z=0\}$

Published on 27 Aug 2018 - 13:12

score 128 · Answer 10 · 2018-08-27 13:43:31

128

Views

Being finitely generated is a Morita invariant

Published on 27 Aug 2018 - 13:43

score 276 · Answer 11 · 2018-08-28 16:30:38

276

Views

Equivalent definitions of $X$ being a generator for the category $R\text{-}\mathbf{mod}$

Published on 28 Aug 2018 - 16:30

score 180 · Answer 12 · 2026-03-25 04:43:26

180

Views

When is $(\frac{v_1}{1}+\frac{v_2}{2}+ \dots \frac{v_p}{p})+(\frac{v_1}{p+1}+\frac{v_2}{p+2}+\dots \frac{v_p}{2p})+\dots$ equal to zero?

Published on 25 Mar 2026 - 4:43

score 270 · Answer 13 · 2026-02-23 00:28:06

270

Views

Question on proof that matrix algebra over given algebra is semisimple iff original algebra is semisimple

Published on 23 Feb 2026 - 0:28

score 789 · Answer 14 · 2026-03-25 06:05:19

789

Views

Understanding $\operatorname{Ext}_R^1(M,A)$ as obstructions to lifting homomorphisms

Published on 25 Mar 2026 - 6:05

score 385 · Answer 15 · 2026-03-25 03:24:11

385

Views

Dummit and Foote Universal Property of Tensor Products

Published on 25 Mar 2026 - 3:24

List Question

Composition of Homomorphisms Implies Homomorphism

Pushforward of quasi-coherent sheaves to quotient stack for finite group action?

Dummit and Foote on Tensor Products of Modules

Weakly compact $\iff$ sequentially weakly compact.

Showing $d\pi$ is non-zero in module of Kähler differentials

Quotients of powers of maximal ideal in a local ring.

Does the tensor product preserve coreflexive equalizers?

Help with notation/concepts in module theory and category theory, specifically $\operatorname{Add}(M)$, $\operatorname{Gen}(M)$ and $^\circ(M^\circ)$

base of free module $\{(x,y,z)\in\mathbb{Z}^3: 2x+3y+3z=0\}$

Being finitely generated is a Morita invariant

Equivalent definitions of $X$ being a generator for the category $R\text{-}\mathbf{mod}$

When is $(\frac{v_1}{1}+\frac{v_2}{2}+ \dots \frac{v_p}{p})+(\frac{v_1}{p+1}+\frac{v_2}{p+2}+\dots \frac{v_p}{2p})+\dots$ equal to zero?

Question on proof that matrix algebra over given algebra is semisimple iff original algebra is semisimple

Understanding $\operatorname{Ext}_R^1(M,A)$ as obstructions to lifting homomorphisms

Dummit and Foote Universal Property of Tensor Products

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