List questions from regular-rings

Published on 22 Mar 2026 - 17:14

67

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Is every idempotent semiring a completely regular?

Published on 04 Mar 2026 - 3:08

251

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A local Cohen-Macaulay ring whose dimension is one less than the minimal no. of generators of its maximal ideal

Published on 05 Nov 2019 - 23:10

83

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On the ring $R[X]/(X^q - g)$ being regular

Published on 22 Mar 2026 - 18:35

173

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examples of regular schemes

Published on 21 Mar 2026 - 22:14

120

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Embedding dimension of smooth affine variety of dimension $d$ , over an infinite perfect field, is $2d+1$?

Published on 08 Mar 2026 - 23:47

22

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On an analogy of the highest generating degree and reduction of ideals

Published on 16 Mar 2020 - 5:30

213

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$\operatorname {Ext}$ vanishing and finitely generated reflexive modules over regular local rings

Published on 03 Mar 2026 - 11:06

60

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Is $D^{-1}R$ regular?

Published on 21 Mar 2026 - 20:40

89

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Notion of simple hypersurface singularity depends on the presentation?

Published on 30 May 2020 - 13:06

108

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The complete regular ring in Cohen's structure theorem can be chosen to have dimension equal to the embedding dimension of the starting ring?

Published on 18 Jun 2020 - 1:41

72

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Depth of tensor product of modules which are locally free on the punctured spectrum of regular local ring

Published on 28 Jun 2020 - 7:58

276

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Depth of tensor product of finitely generated reflexive modules over regular local rings

Published on 30 Jun 2020 - 10:22

195

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Not-necessarily-unital von Neumann regular local commutative rings: are they fields?

Published on 06 Jul 2020 - 15:49

748

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Normality of localizations in polynomial rings?

Published on 22 Mar 2026 - 18:11

List Question

Regularity of localisation of a polynomial ring.

Is every idempotent semiring a completely regular?

A local Cohen-Macaulay ring whose dimension is one less than the minimal no. of generators of its maximal ideal

On the ring $R[X]/(X^q - g)$ being regular

examples of regular schemes

Embedding dimension of smooth affine variety of dimension $d$ , over an infinite perfect field, is $2d+1$?

On an analogy of the highest generating degree and reduction of ideals

$\operatorname {Ext}$ vanishing and finitely generated reflexive modules over regular local rings

Is $D^{-1}R$ regular?

Notion of simple hypersurface singularity depends on the presentation?

The complete regular ring in Cohen's structure theorem can be chosen to have dimension equal to the embedding dimension of the starting ring?

Depth of tensor product of modules which are locally free on the punctured spectrum of regular local ring

Depth of tensor product of finitely generated reflexive modules over regular local rings

Not-necessarily-unital von Neumann regular local commutative rings: are they fields?

Normality of localizations in polynomial rings?

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