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Mathematics
St. Barth's user avatar
St. Barth's user avatar
St. Barth's user avatar
St. Barth
  • Member for 8 years, 8 months
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101
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Top posts

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question
12
Are surjective functions a pointless concept? [duplicate]
May 1, 2019
question
10
Associativity of infinite products
May 10, 2024
question
6
Interesting contexts in which the first few cohomology groups ($H^1$ and $H^2$) show up?
Dec 14, 2023
question
5
Cycles around compacta and the global Cauchy theorem
May 10, 2024
question
4
Can a finite group act transitively on an infinite set?
Mar 6, 2021
question
4
Exercise 7.5.3 in Cohn's "Measure Theory"
Apr 26
question
4
Central-simple algebras, crossed products, and $2$-cocycles
Jul 10, 2023
question
4
Topology induced by generalised absolute values
Nov 26, 2023
question
3
Why are the eigenvalues of $A^k$ precisely the $k$-th powers of eigenvalues of $A$?
Nov 11, 2021
question
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

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)?