Isolated Signed Total Domination Number for Some Families of Digraphs
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Abstract
An isolated signed total dominating function (ISTDF) of a digraph is a function f:V(D)→{−1,+1} such that for every vertex and for at least one vertex of ,. An isolated signed totaldomination number of D, denoted by , in the minimal weight of an isolated signed total dominating function of D. In this paper, we study some properties of ISTDF.
AMS Subject Classification: 05C 69
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