Planarity ranks of semigroup varieties generated by all semigroups of order three
Planarity ranks of semigroup varieties generated by all semigroups of order three
(Russian, English abstract)
Siberian Electronic Mathematical Reports, 22, 1, pp. 95-109 (2025)
Abstract:
In this paper, we calculate the planarity rank of the variety generated by all semigroups of order three and calculate the planarity ranks of its subvarieties generated by each semigroups of order three.
Keywords: Cayley graph, planarity rank, semigroup.