Complexity and Algorithms for Semipaired Domination in Graphs
نویسندگان
چکیده
منابع مشابه
Complexity and approximation ratio of semitotal domination in graphs
A set $S subseteq V(G)$ is a semitotal dominating set of a graph $G$ if it is a dominating set of $G$ andevery vertex in $S$ is within distance 2 of another vertex of $S$. Thesemitotal domination number $gamma_{t2}(G)$ is the minimumcardinality of a semitotal dominating set of $G$.We show that the semitotal domination problem isAPX-complete for bounded-degree graphs, and the semitotal dominatio...
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ژورنال
عنوان ژورنال: Theory of Computing Systems
سال: 2020
ISSN: 1432-4350,1433-0490
DOI: 10.1007/s00224-020-09988-3