Abstract

A set S V (G) is a split geodetic set of G, if S is a geodetic set andhV Si is disconnected. The split geodetic number of a graph G, is denoted by gs(G), is the minimum cardinality of a split geodetic set of G. A set S V (G) is a strong split geodetic set of G, if S is a geodetic set andhV Si is totally disconnected. The strong split geodetic number of a graph G, is denoted by gss(G), is the minimum cardinality of a strong split geodetic set of G. In this paper we obtain the geodetic number, split geodetic number, strong split geodetic number and non split geodetic number of strong product graphs, composition of graphs and join of graphs.

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