Mathematics
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Hank Scorpio
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I am here to welcome you on behalf of the President of the Globex Corporation. Me!

This was deleted for some reason: https://math.stackexchange.com/questions/3878454/finite-group-of-artinian-ring-is-semisimple/3889737

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Score Newest
answer
7
Is a homogeneous ideal radical?
Feb 19, 2021
question
6
Derivative of dual isogeny is pullback on $H^1$
Nov 25, 2021
question
5
Erroneous reference to EGA I 6.9.17 and Deligne's formula
Mar 2, 2021
answer
5
In what topology, elliptic curve is homeomorphic to torus?
Jul 4, 2021
answer
5
How to prove a specific quotient of polynomial ring is a free module?
Jun 13, 2021
question
4
Given two points $x,y$ in a separated scheme $X$, is there always some function on an open set containing both that distinguishes them?
Nov 6, 2020
question
4
Why can you check closedness on the fibers? (Hartshorne's proof of Bertini's theorem)
Nov 24, 2020
answer
4
Any line bundle (invertible sheaf) on $\operatorname{Spec}k$ is trivial?
Dec 14, 2021
question
4
What is the projective bundle over $(\Bbb P^1\times\Bbb P^1)/(\Bbb Z/2)$ which isn't $\Bbb P(\mathcal{E})$ for some vector bundle $\mathcal{E}$?
Feb 5, 2021
answer
4
isomorphism $\mathfrak{m}\otimes_A (A/\mathfrak{m})\cong\mathfrak{m}_\mathfrak{m}\otimes_{A_\mathfrak{m}}(A_\mathfrak{m} / \mathfrak{m}_\mathfrak{m})$
Oct 4, 2022
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Hartshorne's proof of Halphen's theorem

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