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Alex
  • Member for 2 years, 2 months
  • Last seen more than a month ago
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question
6
If Serre's intersection multiplicity $\chi(R/I, R/J)$ equals $\operatorname{length}_R (R/(I+J))$, then are $R/I, R/J$ Cohen-Macaulay?
Oct 5, 2022
question
6
When can we choose non-zero-divisor $x\in \mathfrak m$ in a reduced local ring $(R,\mathfrak m)$ such that $R/xR$ is also reduced?
Oct 9, 2022
question
3
Image, upto direct summands, of derived push-forward of resolution of singularities
Mar 11
question
3
Thick subcategory containment in bounded derived category vs. singularity category
Apr 16
question
2
When is Hilbert-Samuel multiplicity of a local ring non-increasing along localization at prime ideals?
Sep 29, 2022
question
2
From exact triangles in the stable category of maximal Cohen--Macaulay modules to short exact sequences
Dec 24, 2023
question
2
Sum of Betti numbers and certain short exact sequence of modules of finite length over regular local ring
May 30
question
2
Localization of quasi-excellent rings are quasi-excellent?
Jul 2
question
2
Minimal injective resolution and change of rings
Jul 7
question
2
Example of non injective module over Noetherian local ring with trivial vanishing against residue field?
Jul 13
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5
On free direct summand locus of finitely generated modules over commutative Noetherian rings
5
On a possible isomorphism from a spectral sequence coming from derived tensor-hom adjunction