A Characterization of the Simple Group M24.
A note on barely transitive permutation groups satisfying
A simple construction for the Fischer-Griess monster group.
Are zero-symmetric simple nearrings with identity equiprime?
We show that there exist zero-symmetric simple nearrings with identity, which are not equiprime, solving a longstanding open problem.
Autormorphism groups of countable highly homogeneous partially ordererd sets.