On Minimal Geodetic Domination in Graphs
Hearty M. Nuenay ; Ferdinand P. Jamil
Discussiones Mathematicae Graph Theory, Tome 35 (2015), p. 403-418 / Harvested from The Polish Digital Mathematics Library

Let G be a connected graph. For two vertices u and v in G, a u-v geodesic is any shortest path joining u and v. The closed geodetic interval IG[u, v] consists of all vertices of G lying on any u-v geodesic. For S ⊆ V (G), S is a geodetic set in G if ∪u,v∈S IG[u, v] = V (G). Vertices u and v of G are neighbors if u and v are adjacent. The closed neighborhood NG[v] of vertex v consists of v and all neighbors of v. For S ⊆ V (G), S is a dominating set in G if ∪u∈S NG[u] = V (G). A geodetic dominating set in G is any geodetic set in G which is at the same time a dominating set in G. A geodetic dominating set in G is a minimal geodetic dominating set if it does not have a proper subset which is itself a geodetic dominating set in G. The maximum cardinality of a minimal geodetic dom- inating set in G is the upper geodetic domination number of G. This paper initiates the study of minimal geodetic dominating sets and upper geodetic domination numbers of connected graphs.

Publié le : 2015-01-01
EUDML-ID : urn:eudml:doc:271213
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Hearty M. Nuenay; Ferdinand P. Jamil. On Minimal Geodetic Domination in Graphs. Discussiones Mathematicae Graph Theory, Tome 35 (2015) pp. 403-418. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_7151_dmgt_1803/

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