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Mathematics

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Answer score of 10 or more. This badge can be awarded multiple times.

earned this badge 7 times.
What is the zero subscheme of a section
Awarded Aug 23, 2021 at 12:57
Intuition for étale morphisms
Awarded Feb 16, 2020 at 15:05
Fields finitely generated as $\mathbb Z$-algebras are finite?
Awarded Aug 31, 2019 at 11:35
Showing that if $R$ is a commutative ring and $M$ an $R$-module, then $M \otimes_R (R/\mathfrak m) \cong M / \mathfrak m M$.
Awarded Jul 5, 2017 at 10:34
Does Proj induce some equivalence of categories involving graded rings?
Awarded May 24, 2017 at 0:29
tensor product of sheaves commutes with inverse image
Awarded Mar 5, 2015 at 3:58
Geometric view of rings
Awarded Dec 29, 2011 at 20:20

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