On Hop Roman Domination in Trees
Let $G=(V,E)$ be a graph. A subset $S\subset V$ is a hop dominating set if every vertex outside $S$ is at distance two from a vertex of $S$. A hop dominating set $S$ which induces a connected subgraph is called a connected hop dominating set of $G$. The connected hop domination number of $G$,...
Main Authors: | , |
---|---|
Format: | Article |
Language: | English |
Published: |
Azarbaijan Shahide Madani University
2019-12-01
|
Series: | Communications in Combinatorics and Optimization |
Subjects: | |
Online Access: | http://comb-opt.azaruniv.ac.ir/article_13874_62d388aaf42e0893e140772d7fa34403.pdf |