Question

What is the relation between $C^\infty$-linear and tensorial?

score 2k · Answer 1 · 2026-04-12 19:37:08

2k

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What is the relation between $C^\infty$-linear and tensorial?

Published on 12 Apr 2026 - 19:37

score 164 · Answer 2 · 2026-04-14 08:21:13

164

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$S$ subring of $R$. Is a projective objects in $R$-$\bmod$ still projective in $S$-$\bmod$?

Published on 14 Apr 2026 - 8:21

score 2k · Answer 3 · 2026-04-13 06:03:49

2k

Views

Artinian iff finite dimensional

Published on 13 Apr 2026 - 6:03

score 414 · Answer 4 · 2026-04-16 08:07:14

414

Views

How do I write a correct answer to Weibel exercise 1.1.1.?

Published on 16 Apr 2026 - 8:07

score 86 · Answer 5 · 2026-04-14 14:46:52

86

Views

Is this a typo in Weibel, page 1?

Published on 14 Apr 2026 - 14:46

score 99 · Answer 6 · 2026-04-16 19:22:52

99

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Weibel's book exercise 1.1.2. Cycles get sent to cycles by chain complex homs $u : C_{\cdot} \to D_{\cdot}$

Published on 16 Apr 2026 - 19:22

score 194 · Answer 7 · 2026-04-17 08:30:31

194

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Weibel exercise 1.1.2. the $n$th homology module is a functor from category Ch-Mod$(R)$ to Mod-$R$

Published on 17 Apr 2026 - 8:30

score 1.5k · Answer 8 · 2026-04-15 23:04:27

1.5k

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Homology commutes with direct product of chain complexes. Direct proof in a module category.

Published on 15 Apr 2026 - 23:04

score 259 · Answer 9 · 2026-04-13 20:33:16

259

Views

Show that any two elements of $M$ are linearly dependent over $\mathbb Z$.

Published on 13 Apr 2026 - 20:33

score 72 · Answer 10 · 2026-04-14 16:44:03

72

Views

Elements of $M\otimes_{\mathbb K}\mathbb K[t]$?

Published on 14 Apr 2026 - 16:44

score 429 · Answer 11 · 2026-04-15 07:10:56

429

Views

Weibel exercise 1.2.2.: kernels, monics, and monomorphisms are the same in $R$-Mod.

Published on 15 Apr 2026 - 7:10

score 540 · Answer 12 · 2026-04-13 07:03:01

540

Views

Diagram with exact sequences of modules

Published on 13 Apr 2026 - 7:03

score 59 · Answer 13 · 2026-04-15 13:43:53

59

Views

is $Hom(P,N \otimes_{End(P)} P) = N$?

Published on 15 Apr 2026 - 13:43

score 182 · Answer 14 · 2026-04-15 08:02:23

182

Views

Proving that an $FG$-homomorphism is surjective

Published on 15 Apr 2026 - 8:02

score 445 · Answer 15 · 2026-04-16 14:53:52

445

Views

Right modules Vs Left modules.

Published on 16 Apr 2026 - 14:53

List Question

What is the relation between $C^\infty$-linear and tensorial?

$S$ subring of $R$. Is a projective objects in $R$-$\bmod$ still projective in $S$-$\bmod$?

Artinian iff finite dimensional

How do I write a correct answer to Weibel exercise 1.1.1.?

Is this a typo in Weibel, page 1?

Weibel's book exercise 1.1.2. Cycles get sent to cycles by chain complex homs $u : C_{\cdot} \to D_{\cdot}$

Weibel exercise 1.1.2. the $n$th homology module is a functor from category Ch-Mod$(R)$ to Mod-$R$

Homology commutes with direct product of chain complexes. Direct proof in a module category.

Show that any two elements of $M$ are linearly dependent over $\mathbb Z$.

Elements of $M\otimes_{\mathbb K}\mathbb K[t]$?

Weibel exercise 1.2.2.: kernels, monics, and monomorphisms are the same in $R$-Mod.

Diagram with exact sequences of modules

is $Hom(P,N \otimes_{End(P)} P) = N$?

Proving that an $FG$-homomorphism is surjective

Right modules Vs Left modules.

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