Disjoint dominating and 2-dominating sets in graphs

Autor: Miotk, Mateusz, Topp, Jerzy, Żyliński, Paweł
Rok vydání: 2019
Předmět:
Druh dokumentu: Working Paper
Popis: A graph $G$ is a $D\!D_2$-graph if it has a pair $(D,D_2)$ of disjoint sets of vertices of $G$ such that $D$ is a dominating set and $D_2$ is a 2-dominating set of $G$. We provide several characterizations and hardness results concerning $D\!D_2$-graphs.
Comment: 15 pages, 3 figures
Databáze: arXiv