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Hilbert Jr.'s user avatar
Hilbert Jr.'s user avatar
Hilbert Jr.'s user avatar
Hilbert Jr.
  • Member for 7 years, 4 months
  • Last seen this week
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Top posts
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12
Are surjective functions a pointless concept? [duplicate]
May 1, 2019
10
Associativity of infinite products
May 10
6
Interesting contexts in which the first few cohomology groups ($H^1$ and $H^2$) show up?
Dec 14, 2023
5
Cycles around compacta and the global Cauchy theorem
May 10
4
Topology induced by generalised absolute values
Nov 26, 2023
4
Can a finite group act transitively on an infinite set?
Mar 6, 2021
4
Central-simple algebras, crossed products, and $2$-cocycles
Jul 10, 2023
3
Why do the subsets $A,B$ have to be open when realising the space $X=A\cup B$ as a pushout (Seifert-Van Kampen)?
Sep 30, 2021
3
On a locally-compact group $h(x^{-1})$ constant a.e. $\implies h(x)$ constant a.e. (proof of uniqueness of Haar measure)
Sep 22, 2023
3
Number of extensions of a local field of fixed degree
Jul 25, 2023
Top network posts
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7
Is it bad practice to replace a^{-1} with a user-defined command?
6
Books analysing Norse mythology (specifically Odin)?