Mathematics
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red_trumpet
  • Member for 7 years, 10 months
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  • Germany
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Hi there, I'm studying mathematics in germany.

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Score Newest
answer
13
What is a simple definition of the pullback of a section?
Dec 28, 2019
question
9
Good argument that $\Omega_{X/k} = 0$ implies that $X$ is finite.
Jun 28, 2021
question
9
Is the pull-back of the structure sheaf the structure sheaf?
Jan 18, 2019
question
9
Unexpected proof that $\alpha!$ divides $k!$ if $\alpha_1 + \dots + \alpha_n = k$.
Mar 4, 2019
answer
8
Confusion on the definition of a complex structure
Sep 27, 2021
question
7
What exactly is a universal central extension?
May 24
question
7
Is the natural map $f^* f_* \mathcal{F} \to \mathcal{F}$ surjective?
May 5, 2020
question
7
Hartshorne Exercise III 3.2: $X$ is affine iff every component is affine
Apr 11, 2019
question
6
Why are meromorphic functions on a smooth projective curve rational?
Jul 19, 2022
answer
6
Proof of Serre Duality in Hartshorne
Jul 4, 2018
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How to read mp3 tags in shell?
35
Why does chktex lint "command terminated with space"?
30
How to read mp3 tags in shell?
29
Rearrange PDF pages using the command-line
21
How to backup GNOME terminal emulator settings?

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