ЗМІСТ

Arworn S., Gyurov B., Nupo N., Panma S.
Endomorphisms of Cayley digraphs of rectangular groups

Ebrahimi Atani S., Khoramdel M., Dolati Pishhesari S.
Modules in which every surjective endomorphism has a δ-small kernel

Brieussel J., Gournay A.
Connectedness of spheres in Cayley graphs

Das P.K., Singh K.R.
On a graph isomorphic to its intersection graph: self-graphoidal graphs

Dudenko M., Oliynyk B.
On unicyclic graphs of metric dimension 2 with vertices of degree 4

Knauer U., Pipattanajinda N.
A formula for the number of weak endomorphisms on paths

Kochubinska E.
Spectral properties of partial automorphisms of a binary rooted tree

Zhuchok A.V., Knauer K.
Abelian doppelsemigroups