Question

Integral closure of a subring that is a polynomial ring over an algebraically closed field.

score 259 · Answer 1 · 2026-04-15 00:45:16

259

Views

Integral closure of a subring that is a polynomial ring over an algebraically closed field.

Published on 15 Apr 2026 - 0:45

score 307 · Answer 2 · 2026-04-15 20:56:55

307

Views

Errata with Eisenbud's Lemma "Symmetry of Diagonalization" proof.

Published on 15 Apr 2026 - 20:56

score 342 · Answer 3 · 2026-04-13 05:26:43

342

Views

Computing Poincare Series of a particular graded Algebra

Published on 13 Apr 2026 - 5:26

score 48 · Answer 4 · 2026-04-13 20:02:14

48

Views

Example of non finitely-generated $R$-Module $K$ so that $K/PK$ is finitely generated

Published on 13 Apr 2026 - 20:02

score 212 · Answer 5 · 2026-04-13 22:05:46

212

Views

A nonexample of a prime submodule?

Published on 13 Apr 2026 - 22:05

score 131 · Answer 6 · 2026-04-16 01:15:38

131

Views

Any counterexample for inverse limit functor not to be right exact

Published on 16 Apr 2026 - 1:15

score 303 · Answer 7 · 2026-04-15 10:04:23

303

Views

Associated primes of quotient module

Published on 15 Apr 2026 - 10:04

score 166 · Answer 8 · 2026-04-12 21:33:58

166

Views

Question on finitely presented algebra

Published on 12 Apr 2026 - 21:33

score 182 · Answer 9 · 2026-04-12 08:55:27

182

Views

Finite projective dimension may lead to projectiveness!

Published on 12 Apr 2026 - 8:55

score 182 · Answer 10 · 2026-04-15 19:07:02

182

Views

Commutative algebra with a geometric flavor

Published on 15 Apr 2026 - 19:07

score 57 · Answer 11 · 2026-04-15 10:26:03

57

Views

There are elements in $\mathbb Z [t]$ such that this sum is 1

Published on 15 Apr 2026 - 10:26

score 795 · Answer 12 · 2026-04-14 15:02:18

795

Views

$\mathcal{O}_X(D)$ is invertible implies $D$ is locally principal

Published on 14 Apr 2026 - 15:02

score 540 · Answer 13 · 2026-04-14 23:09:29

540

Views

If $M$ isn't Noetherian, $M$ has a submodule maximal with respect to being not finitely generated.

Published on 14 Apr 2026 - 23:09

score 148 · Answer 14 · 2026-04-12 14:45:10

148

Views

Hilbert's Basis Theorem question

Published on 12 Apr 2026 - 14:45

score 111 · Answer 15 · 2026-04-14 15:06:43

111

Views

$a^n = 0 \implies a \in P$ (where $P$ is a prime ideal)

Published on 14 Apr 2026 - 15:06

List Question

Integral closure of a subring that is a polynomial ring over an algebraically closed field.

Errata with Eisenbud's Lemma "Symmetry of Diagonalization" proof.

Computing Poincare Series of a particular graded Algebra

Example of non finitely-generated $R$-Module $K$ so that $K/PK$ is finitely generated

A nonexample of a prime submodule?

Any counterexample for inverse limit functor not to be right exact

Associated primes of quotient module

Question on finitely presented algebra

Finite projective dimension may lead to projectiveness!

Commutative algebra with a geometric flavor

There are elements in $\mathbb Z [t]$ such that this sum is 1

$\mathcal{O}_X(D)$ is invertible implies $D$ is locally principal

If $M$ isn't Noetherian, $M$ has a submodule maximal with respect to being not finitely generated.

Hilbert's Basis Theorem question

$a^n = 0 \implies a \in P$ (where $P$ is a prime ideal)

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