Abstract
An ordered set W of vertices in a graph G is said to resolve G if every vertex in G is uniquely determined by its vector of distances to the vertices in W. A resolving set containing a minimum number of vertices is called a metric basis for G and the cardinality of such a set is its metric dimension denoted by dim(G). A resolving set W for G is fault-tolerant if W\{w} is also a resolving set, for each w ∈ W, and the fault-tolerant metric dimension of G is the minimum cardinality of such a set. In this paper we introduce the study of the fault-tolerant metric dimension of P(n, 2)ʘK1 graph.
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