Disjoint dominating and 2-dominating sets in graphs
Autor: | Miotk, Mateusz, Topp, Jerzy, Żyliński, Paweł |
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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 |
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