Skip to main content
MathOverflow
Alex's user avatar
Alex's user avatar
Alex's user avatar
Alex
  • Member for 1 year, 9 months
  • Last seen this week
Profile Activity
Stats
481
reputation
2k
reached
1
answer
15
questions
Communities
Badges
This user doesn’t have any gold badges yet.
1
silver badge
9
bronze badges
Top tags
View all tags
2
Score
13
Posts
81
Posts %
2
Score
10
Posts
62
Posts %
2
Score
5
Posts
31
Posts %
0
Score
6
Posts
38
Posts %
0
Score
3
Posts
19
Posts %
0
Score
3
Posts
19
Posts %
Top posts
View all questions and answers
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
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
3
Image, upto direct summands, of derived push-forward of resolution of singularities
Mar 11
3
Thick subcategory containment in bounded derived category vs. singularity category
Apr 16
2
When is Hilbert-Samuel multiplicity of a local ring non-increasing along localization at prime ideals?
Sep 29, 2022
2
From exact triangles in the stable category of maximal Cohen--Macaulay modules to short exact sequences
Dec 24, 2023
2
Sum of Betti numbers and certain short exact sequence of modules of finite length over regular local ring
May 30
2
Localization of quasi-excellent rings are quasi-excellent?
Jul 2
2
Minimal injective resolution and change of rings
Jul 7
2
Example of non injective module over Noetherian local ring with trivial vanishing against residue field?
Jul 13
Top network posts
View all network posts
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