On quasi-ideals of semirings.
On quasiidentities of transitive quasigroups
On quasiresolvent periodic Abelian groups.
On quasi-transitive semigroup actions.
On quasivarieties of nilpotent Moufang loops. I
In this part the smallest non-abelian quasivarieties for nilpotent Moufang loops are described.
On quasivarieties of nilpotent Moufang loops. II
In this part of the paper we study the quasiidentities of the nilpotent Moufang loops. In particular, we solve the problem of finite basis for quasiidentities in the finitely generated nilpotent Moufang loop.
On -conjugate-permutability of Sylow subgroups
A subgroup of a finite group is said to be conjugate-permutable if for all . More generaly, if we limit the element to a subgroup of , then we say that the subgroup is -conjugate-permutable. By means of the -conjugate-permutable subgroups, we investigate the relationship between the nilpotence of and the -conjugate-permutability of the Sylow subgroups of and under the condition that , where and are subgroups of . Some results known in the literature are improved and...
On R. Griess' "Friendly giant".
On -commutativity of -permutable semigroups.
On radical classes of Abelian linearly ordered groups
On Radicals in a Certain Class of Semigroups
On radicals in semigroups
On radicals of the semigroup of triangular matrices
On rank 2 geometries of the Mathieu group .
On rapid generation of .
On recognition and compactification.
On recognition by spectrum of finite simple linear groups over fields of characteristic 2.
On recognition of all finite nonabelian simple groups with orders having prime divisors at most 13.
On recognition of finite simple groups with connected prime graph.
On recognition of the finite simple orthogonal groups of dimension , , and over a field of characteristic 2.