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xsnl

mathematician wannabe

interested in linear algebra over integers and nilpotence as phenomenon

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  • Moscow, Russia
  • Member for 3 years, 11 months
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  • Last seen Feb 21 at 14:48

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14 Why is it that if a ring is simple, its center must be a field? Apr 1 '18
6 Reference for group cohomology Mar 19 '18
6 Homomorphisms of $\mathbb{F}_2$ that preserve $aba^{-1}b^{-1}$ Mar 27 '18
5 A group generated by $3$ elements such that the product of generators is in the centre Mar 27 '18
5 Key Results of Combinatorial Group Theory. Aug 10 '18
4 G be a finite group and H be a non trivial proper subgroup of index 3, then G is not simple. Aug 19 '18
4 What are the relations in this presentation of $S_n$? Jan 4
4 Classification of homology 5-spheres Apr 27 '18
4 Real content of Chebyshev sum inequality Jul 8 '18
3 Cubic composition algebras May 25 '17
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