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Abstract

A total global dominator coloring of a graph is a proper vertex coloring of with respect to which every vertex in dominates a color class, not containing and does not dominate another color class. The minimum number of colors required in such a coloring of is called the total global dominator chromatic number, denoted by . In this paper, the total global dominator chromatic number of trees and unicyclic graphs are explored.

Keywords

Global dominator coloring, Total domination number, Total dominator coloring, Total global domination number, Total global dominator coloring, Trees, Unicyclic graphs. MSC2020: 05C15, 05C69

Article Type

Article

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