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Geoff Robinson's user avatar
Geoff Robinson's user avatar
Geoff Robinson
  • Member for 12 years, 1 month
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  • United Kingdom
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All Questions Answers
Score Newest
answer
66
Why can't a nonabelian group be 75% abelian?
Jul 9, 2015
answer
42
How large can the smallest generating set of a group $G$ of order $n$ be?
Dec 3, 2015
question
41
Does a finite simple group of order divisible by $60$ have $A_{5}$ as a subgroup?
May 23, 2014
answer
36
Properties to have matrices that commute in $\mathrm{GL}_n(\mathbb C)$
Apr 19, 2014
answer
36
Determinant of sum of positive definite matrices
May 19, 2011
answer
27
Is each squared finite group trivial?
Feb 19, 2021
answer
27
Eigenvalues of nonnegative integer matrices
Nov 16, 2012
answer
27
Groups that do not exist
Dec 8, 2012
answer
26
Why is this character expression an integer?
Jun 3, 2016
answer
26
In what sense is SL(2,q) "very far from abelian"?
Sep 28, 2019
Top network posts
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91
Is it true that $0.999999999\ldots=1$?
60
The identity cannot be a commutator in a Banach algebra?
31
How to prove that $\mathbb{Q}[\sqrt{p_1}, \sqrt{p_2}, \ldots,\sqrt{p_n} ] = \mathbb{Q}[\sqrt{p_1}+ \sqrt{p_2}+\cdots + \sqrt{p_n}]$, for $p_i$ prime?
23
proper subgroups of finite p-groups are properly contained in the normalizer
23
How is a group made up of simple groups?

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