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All Questions Answers
Score Newest
question
6
On the prime spectrum of $R[[X]]$ when the prime spectrum of $R$ is Noetherian
Feb 19, 2019
question
2
Alexander duality for Homology sphere which is the Geometric realization of a finite simplicial complex
May 26, 2020
question
2
Finding the mistake in an argument concerning $F$-finite $F$-split local Cohen--Macaulay ring of dimension $1$
Aug 20
question
1
On a condition on ideals viwed as a Zariski open condition on co-tangent space
Apr 13, 2020
question
1
On image of map $\text{Ext}^1_R(X,F)\to \text{Ext}^1_R(X,G)$ induced by $R$-linear map of free modules $F\to G$ with entries in the maximal ideal
Sep 21, 2022
question
1
Finding a particular kind of basis of subgroup of a lattice generated by non-negative part
Oct 15, 2022
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11
On two special kind of invertible similar matrices with rational entries
10
Every matrix of the centralizer of the centralizer of a matrix is a polynomial in that matrix
6
On Hopfian modules over commutative Noetherian rings
5
A dual of the result " every finitely generated module over a commutative ring is Hopfian"
5
Local Cohen-Macaulay ring over which every finitely generated module of finite injective dimension also has finite projective dimension

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