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Research Article Open access CC BY 4.0

On the Pendant Number of Certain Graphs

P. G. R. S. Ranasinghe, L. R. M. K. R. Jayathilaka

Journal of Advances in Mathematics and Computer Science · pp. 33–41 · Published 27 Feb 2023

10.9734/jamcs/2023/v38i41756

Abstract

The present study investigates the pendant number of certain graph classes; complement, line graphs, and total graphs. The pendant number is the minimum number of end vertices of paths in a path decomposition of a graph. A path decomposition of a graph is a decomposition of it into subgraphs; i.e., a sequence of a subset of vertices of the graph such that the endpoints of each edge appear in one of the subsets and each vertex appears in an adjacent sub-sequence of the subsets.

Complement decomposition line graph pendant number total graph

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