Apparently, this user prefers to keep an air of mystery about them.
10 Factorization of a finite group by two subsets Jul 24 '14
4 Factor subset of finite group Jan 28 '14
2 A question about finite groups (a weak version of the converse of Lagrange theorem) [closed] Sep 26 '13
1 Lower periodic subsets of groups and semigroups Nov 14 '14
-3 Even-odd partitioned groups! [closed] Jan 31