Apparently, this user prefers to keep an air of mystery about them.
5 An automorphism on generating set of a group Feb 7 '14
4 Let n be an even number and d be divisor of n/2. Then prove there is a number $1\leq t\leq n$ such that $(t,n)=1$ and $(n,t-1)=2d$. Dec 17 '12
3 Let n>30. Then prove there exists a natural number $ 1< m\leq n$ such that $(n,m)=1$ and $m$ is not prime. Nov 27 '12
3 On automorphisms of finite abelian group Feb 7 '14
3 On finite $p$ -group of class two with cyclic center Dec 29 '14
2 A homomorphism of group $G$ to be an automorphism Aug 11 '14
2 on two decompositions of a finite group $G$ Nov 22 '13