Apparently, this user prefers to keep an air of mystery about them.
7 does this group have a name? Dec 3 '10
6 need references regarding the elementary theory of free semigroup and free abelian groups Feb 12 '11
2 what conditions can one place on a finitely generated periodic semigroup that will ensure the semigroup is finite? Aug 28 '10
1 post correspondence problem Aug 12 '10