Total domination in maximal outerplanar graphs II

Autor: Elizabeth Jonck, Michael Dorfling, Johannes H. Hattingh
Rok vydání: 2016
Předmět:
Zdroj: Discrete Mathematics. 339:1180-1188
ISSN: 0012-365X
DOI: 10.1016/j.disc.2015.11.003
Popis: The total domination number of a graph is the minimum size of a set S such that every vertex has a neighbor in S . We show that a maximal outerplanar graph of order n ? 5 has total domination number at most 2 n / 5 , apart from two exceptions, and this bound is best possible.
Databáze: OpenAIRE