Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

  7. current community

    your communities

    more stack exchange communities

    company blog
Mathematics
Meta User
Network Profile
1,430
reputation
4
18

xsnl

mathematician wannabe

interested in linear algebra over integers and nilpotence as phenomenon

55
answers
7
questions
~5k
people reached
  • Moscow, Russia
  • Member for 1 year, 10 months
  • 193 profile views
  • Last seen yesterday

Communities (5)

Top Network Posts

Top Tags (72)

Score 52
Posts 34
Posts % 55
Score 26
Posts 14
Score 11
Posts 3
Score 10
Posts 3
Score 8
Posts 3
Score 6
Posts 3
View all tags →

Top Posts (62) All Questions Answers | Votes Newest

11 Why is it that if a ring is simple, its center must be a field? Apr 1 '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
4 Classification of homology 5-spheres Apr 27 '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
3 If $G/\left(\mathbb{Z}/n\mathbb{Z}\right)$ is residually finite and $\left(\mathbb{Z}/n\mathbb{Z}\right)\leq Z(G)$, then $G$ is residually finite Aug 20 '18
3 Pontryagin duality of finite groups Apr 24 '18
3 Key Results of Combinatorial Group Theory. Aug 10 '18
3 Reference for group cohomology Mar 19 '18
3 Cubic composition algebras May 25 '17
View all questions and answers →

Badges (22)

Gold

—

Silver

4

Rarest

Bronze

18

Rarest

View all badges →