List questions from cohen-macaulay

Published on 25 Mar 2026 - 12:55

90

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Divisor class group of $2$-dimensional excellent, local normal rational singularity

Published on 25 Mar 2026 - 12:48

113

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If $I$ is generated by a regular sequence, $\bigoplus_{n \geq 0}I^{n}/I^{n+1}$ is isomorphic to a polynomial ring

Published on 25 Mar 2026 - 16:03

361

Views

Proving a duality between Ext and Tor for maximal Cohen-Macaulay modules over Gorenstein ring

Published on 10 May 2026 - 13:49

198

Views

Second syzygy modules over rings , satisfying $(S_1)$ and $(G_0)$ , are reflexive

Published on 10 May 2026 - 16:12

103

Views

translation of "Der kanonische Modul ..."

Published on 16 Apr 2026 - 10:54

390

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When is the Chow pull-back of a cycle its preimage?

Published on 13 Apr 2026 - 10:02

285

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When is the tensor product of Cohen-Macaulay modules Cohen-Macaulay?

Published on 13 Apr 2026 - 20:26

517

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Does a dualizing sheaf $\omega_X$ give rise to a dualizing module?

Published on 13 Apr 2026 - 23:01

251

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Zero divisors of a reduced Noetherian ring

Published on 16 Apr 2026 - 21:33

571

Views

Two dimensional normal rings are Cohen-Macaulay

Published on 14 Apr 2026 - 17:39

200

Views

Is there a graded analogy for the dimension criterion for a regular sequence in a C-M local ring?

Published on 16 Apr 2026 - 18:32

1.1k

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Cohen-Macaulay and connected implies equidimensional?

Published on 12 Apr 2026 - 16:07

199

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$k[X_1,...,X_n]$ is Cohen-Macaulay (CM) ring

Published on 17 Apr 2026 - 5:08

51

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Module-finite extensions and reflexive modules.

Published on 25 Mar 2026 - 12:52

List Question

Divisor class group of $2$-dimensional surface isolated singularity

Divisor class group of $2$-dimensional excellent, local normal rational singularity

If $I$ is generated by a regular sequence, $\bigoplus_{n \geq 0}I^{n}/I^{n+1}$ is isomorphic to a polynomial ring

Proving a duality between Ext and Tor for maximal Cohen-Macaulay modules over Gorenstein ring

Second syzygy modules over rings , satisfying $(S_1)$ and $(G_0)$ , are reflexive

translation of "Der kanonische Modul ..."

When is the Chow pull-back of a cycle its preimage?

When is the tensor product of Cohen-Macaulay modules Cohen-Macaulay?

Does a dualizing sheaf $\omega_X$ give rise to a dualizing module?

Zero divisors of a reduced Noetherian ring

Two dimensional normal rings are Cohen-Macaulay

Is there a graded analogy for the dimension criterion for a regular sequence in a C-M local ring?

Cohen-Macaulay and connected implies equidimensional?

$k[X_1,...,X_n]$ is Cohen-Macaulay (CM) ring

Module-finite extensions and reflexive modules.

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