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Noix07
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I sometimes contribute to wikipedia

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36
"Abstract nonsense" proof of the splitting lemma
Apr 14, 2014
32
"Abstract nonsense" proof of the splitting lemma
Apr 10, 2014
25
the equivalence between paracompactness and second countablity in a locally Euclidean and $T_2$ space
Nov 10, 2016
9
equivalent? algebraic definition of a partial isometry in a C*-algebra
Dec 20, 2013
8
Why do we need the Hahn-Banach Theorem to extend a bounded linear functional?
Dec 18, 2019
8
Infinite coproduct of abelian groups
Oct 12, 2013
7
Foundation of category theory
Aug 28, 2013
7
Projective (or inverse) limit of C*-algebras
Jun 20, 2015
6
Isometry of Euclidean space ( by the Riemannian metric ) is affine
Mar 25, 2017
6
What would be the equivalent of the "gluing axiom" for a cosheaf
Jul 28, 2014
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12
Motivation to introduce von Neumann algebras in addition to $C^*$algebras?
11
How to get a double line subset symbol, (but not \Subset)?
9
Algebraic formulation of QFT and unbounded operators