Das, P.K.; Singh, K.R.
(ДЗ "ЛНУ імені Тараса Шевченка", 2018)
Abstract . A graph G is called a graphoidal graph if there exists a graph H and a graphoidal cover ψ of H such that G ∼= Ω(H, ψ). Then the graph G is said to be self-graphoidal if it is isomorphic to one of its graphoidal ...