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math.RA2024
Presentations for monoids of endomorphisms of a star graph
Vitor H. Fernandes, Jörg Koppitz, Tiwadee Musunthia
In this paper, we consider the monoids of all endomorphisms, of all weak endomorphisms, of all strong endomorphisms and of all strong weak endomorphisms of a star graph with a fini…
math.RA2024
Presentations for monoids of partial endomorphisms of a star graph
Ilinka Dimitrova, VÃtor H. Fernandes, Jörg Koppitz
In this paper, we consider the monoids of all partial endomorphisms, of all partial weak endomorphisms, of all injective partial endomorphisms, of all partial strong endomorphisms…