Browsing Matematik by Subject "NUMBER"

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Disjunctive Total Domination In Harary Graphs

Ciftci, Canan; Aytac, Vecdi (OXFORD UNIV PRESS-OXFORD, 2023)

Let G be a graph. A set S of vertices in G is a disjunctive total dominating set of G if every vertex is adjacent to a vertex of S or has at least two vertices in S at distance two from it. The disjunctive total domination ...
DISJUNCTIVE TOTAL DOMINATION IN SOME GRAPHS DERIVED FROM THE SUBDIVISION GRAPH

Ciftci, Canan; Aytac, Aysun (TURKIC WORLD MATHEMATICAL SOC BAKU, 2021)

For a set S subset of V (G), if every vertex has a neighbor in S or has at least two vertices in S at distance two from it, then the set S is a disjunctive total dominating set of G. The minimum cardinality of such a set ...

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