Izvestiya of Saratov University.

Mathematics. Mechanics. Informatics

ISSN 1816-9791 (Print)

ISSN 2541-9005 (Online)

semigroup

On semigroups of relations with the operation of the rectangular product

Elementary definability of the class of universal hypergraphic automata in the class of semigroups

On Semigroups of Relations with the Operation of Left and Right Rectangular Products

Abstract Characterization of Semigroups of Input Signals of Universal Planar Automata

On Recognition of Languages of Arbitrary words by Finite Semigroups

On Definability of Universal Graphic Automata by Their Input Symbol Semigroups