Mathematics
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Zeek
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All Questions Answers
Score Newest
answer
5
Equivalent definition of maximal Cohen-Macaulay modules over a Gorenstein local ring
Nov 6, 2019
answer
5
Zero element of Ext$^n$ groups
Feb 15, 2020
answer
5
Let $D$ be an integral domain which is not field and $Q=\text{Frac}(D)$. Then $Q$ has not a projective cover as $D$-module.
Apr 30, 2020
answer
4
Why are morphisms between non-isomorphic indecomposable modules always radical?
Dec 3, 2019
answer
4
Why "right multiplicative system" for localization of category is called right instead of left?
Feb 22, 2020
answer
4
Soft Question: Texts for introduction into Complex/Analytic Geometry i.e. GAGA theorems, Several Complex variables.
May 9, 2020
answer
4
Ext and Tor duality
Aug 19, 2020
answer
3
Maximal Cohen-Macaulay of finite injective dimension
Nov 5, 2019
answer
3
The annihilator $\mathrm{Ann}_R(m)\subseteq R$ is a maximal left ideal of $R$
Nov 28, 2019
answer
3
Projective objects in functor categories
Apr 1, 2020

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