THE JOIN OF SPLIT GRAPHS WHOSE QUASI-STRONG ENDOMORPHISMS FORM A MONOID
Hailong Hou, Rui Gu, Youlin Shang · Bulletin of the Australian Mathematical Society · 2014
Abstract In this paper, we characterise the quasi-strong endomorphisms of the join of split graphs. We give conditions under which the quasi-strong endomorphisms of the join of split graphs form a monoid.