3 papers
math.GR2026
On injective endomorphisms of the semigroup with a four-element family of inductive non-empty subsets of
Oleg Gutik, Marko Serivka
We describe injective endomorphisms of the semigroup with a four-element family of inductive non-empty subsets of . In particu…
math.GR2025
On injective endomorphisms of the semigroup with a three-element family of inductive non-empty subsets of
Oleg Gutik, Marko Serivka
We describe injective endomorphisms of the semigroup with a three-element family of inductive non-empty subsets of . In partic…
math.GR2025
On the semigroup of endomorphisms of the semigroup with the two-element family of inductive nonempty subsets of
Oleg Gutik, Marko Serivka
We study the semigroup of all endomorphisms of the bicyclic extension with the tw…