Oleg Gutik

activity

20082024

most citedEmbedding the bicyclic semigroup into countably compact topological semigroups

33 citations · 241 across the 65 of their papers we have counts for

collaborators

Showing 2018 · math.GRShow all

2 papers · 2 filters

math.GR2018

On variants of the extended bicyclic semigroup

Oleg Gutik, Kateryna Maksymyk

In the paper we describe the group $Aut (C_{Z})$ of automorphisms of the extended bicyclic semigroup $C_{Z}$ and study the…

math.GR2018

The monoid of order isomorphisms of principal filters of a power of the positive integers

Oleg Gutik, Taras Mokrytskyi

Let $n$ be any positive integer and $I P F (N^{n})$ be the semigroup of all order isomorphisms between principal filters of the $n$ -th power of the set of posit…