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Drew Armstrong's user avatar
Drew Armstrong's user avatar
Drew Armstrong
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Eat my shorts

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30
The non-simplicity of $SO(4)$ and $A_4$
Oct 16, 2013
24
To what extent can fields be classified?
Jul 9, 2013
22
Octonions and the Fano plane.
May 19, 2013
21
Did Gelfand's theory of commutative Banach algebras influence algebraic geometers?
Jul 18, 2013
20
Analogy between the nodal cubic curve $y^2=x^3+x^2$ and the ring $\mathbb{Z}[\sqrt{-3}]$?
Feb 15, 2014
19
Who originated the standard symbols for Lie groups GL, SL, SU, etc.?
Aug 22, 2014
15
History of Study's Lemma?
Oct 21, 2020
14
Algebraic Closure of a Ring is Not a Ring?
Apr 18, 2014
14
What is a field [Körper] really?
May 20, 2016
13
Gauss' posthumous publications?
Apr 1, 2019
Top network posts
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11
Algebraic vs. Integral Closure of a Ring
9
The Galois connection between topological closure and topological interior
7
How to compute a primitive element for the splitting field of $x^3-2 \in \Bbb{Q}[x]$?
5
Are fully faithful functors left-cancellable up to natural isomorphism?
5
To what extent can "cardinality" be viewed as a functor?