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strat
  • Member for 3 years, 5 months
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Top posts
4
derived tensor product and finite projective dimension
May 23, 2021
4
Some questions on derived pull-back and push-forward functors of proper birational morphism of Noetherian quasi-separated schemes
Mar 5
4
A particular morphism being zero in the singularity category
May 5
3
For a Cohen-Macaulay module $M$ of dimension $t$ over a local CM ring of dimension $n$, is $\text{Ext}^{n-t}_R(M,\omega)$ Cohen-Macaulay?
Apr 29, 2021
3
On the map $\Phi_M: M\otimes_RM^*\xrightarrow{x\otimes y\mapsto \left\{f\mapsto f(x)y\right\}}\text{Hom}_R(M^*,M^*) $
Sep 30, 2021
2
When does a local Cohen–Macaulay ring admit a non-zero finitely generated maximal Cohen–Macaulay module of finite injective dimension?
Jan 19, 2023
1
On "minimal presentation" of local rings essentially of finite type over a field
Jul 27, 2023