On a simple one-element extension of left zero semigroups
On automorphism groups of planar lattices
The structure of automorphisms of planar lattices is analyzed.
On automorphism groups of relational systems and universal algebras
On automorphisms of computability potential scales for -element algebras.
On connected unars with regular endomorphism monoids
On direct limit classes of algebras
On extending endomorphisms to automorphisms.
On functions commuting with semigroups of transformations of algebras.
On independence of the relations of epimorphy and embeddability on the variety of all lattices.
On some constructions of algebraic objects
Mono-unary algebras may be used to construct homomorphisms, subalgebras, and direct products of algebras of an arbitrary type.
On some properties of genomorphisms of -algebras
On the number of polynomials of a universal algebra, I
On the reconstruction of Boolean algebras from their automorphism groups.
On the subsemilattices of first-order definable and openly first-order definable congruences of the congruence lattice of a universal algebra.
On weak automorphisms of quasi-linear algebras
On weakly rigid monounary algebras