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Compacto
  • Member for 1 year, 8 months
  • Last seen more than a month ago
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22
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33
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Top posts
All Questions Answers
Score Newest
answer
22
What are dessins d'enfants?
Apr 4, 2022
answer
7
Missing exposes in SGA 5, and the composition of the SGA's
Dec 1, 2021
answer
2
Kirby's torus trick
Apr 3, 2022
Top network posts
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7
Proving $\ddot x = w-2x+x^2$, where $w\ge0$, conserves energy
7
Is ths set of vector fields on a manifold a ring?
6
Prove that all roots of polynomial are located in right half plane, given $f(z) = z^3 -6z^2 + 11z - 6 - a$, $a\in \mathbb C$ with modulus<6.
6
Simpler proof of Lagrange's Theorem?
5
Ring with three idempotents satisfying $\alpha+ \beta+ \gamma=0$. Prove that $\alpha=\beta= \gamma$.

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