On Closed Modular Colorings of Trees

Two vertices u and v in a nontrivial connected graph G are twins if u and v have the same neighbors in V (G) − {u, v}. If u and v are adjacent, they are referred to as true twins; while if u and v are nonadjacent, they are false twins. For a positive integer k, let c : V (G) → Zk be a vertex colorin...

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Bibliographic Details
Main Authors: Phinezy Bryan, Zhang Ping
Format: Article
Language:English
Published: University of Zielona Góra 2013-05-01
Series:Discussiones Mathematicae Graph Theory
Subjects:
Online Access:https://doi.org/10.7151/dmgt.1678