Mathematics
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xsnl
  • Member for 6 years, 8 months
  • Last seen this week
  • Moscow, Russia
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About

mathematician wannabe

interested in linear algebra over integers and nilpotence as phenomenon

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56
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Top posts
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All Questions Answers
Score Newest
answer
15
Why is it that if a ring is simple, its center must be a field?
Apr 1, 2018
answer
9
Reference for group cohomology
Mar 19, 2018
answer
6
G be a finite group and H be a non trivial proper subgroup of index 3, then G is not simple.
Aug 19, 2018
answer
6
Classification of homology 5-spheres
Apr 27, 2018
answer
6
Homomorphisms of $\mathbb{F}_2$ that preserve $aba^{-1}b^{-1}$
Mar 27, 2018
answer
5
Key Results of Combinatorial Group Theory.
Aug 10, 2018
answer
5
A group generated by $3$ elements such that the product of generators is in the centre
Mar 27, 2018
answer
4
Is there a term for when $d(f(x),x)$ is bounded?
Aug 19
answer
4
Has the homology of the Baumslag Solitar groups B(1,k) been computed?
May 12
question
4
Real content of Chebyshev sum inequality
Jul 8, 2018
Top network posts
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36
Mistakes in Bredon's book "Topology and Geometry"?
17
Is the decomposition of the homotopy type of a complex into a bouquet unique?
14
Which abelian groups are $\varprojlim^1$ groups?
13
Example of a ring with non-finitely generated unit group?
13
The map $k \mapsto \mathbf{PGL}_2(k)$

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