Abstract: In this paper, we prove Contra Harmonic Mean Labeling for some star related graphs such as $\mathrm{K}_{1, \mathrm{n}}, S(\mathrm{K}_{1, \mathrm{n ...
Abstract: This study investigates the structural characterization of the Middle Roman Domination Number for any caterpillar graph; a significant subclass of trees derived from a central spine by ...
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