Twain Secure Perfect Dominating Sets of Tadpole (T_(n,1)) Graphs
Keywords:
tadpole (T_(n,1)), twain secure perfect dominating set, twain secure perfect domination number.Abstract
Let be a simple graph. A set is a dominating set of if every vertex in is adjacent to a vertex in A subset of is called a twain secure perfect dominating set of (TSPD- set) if every vertex is adjacent to exactly one vertex and is a dominating set of G. The minimum cardinality of a twain secure perfect dominating set of is called the twain secure perfect domination number of and is denoted by Let be the family of all twain secure perfect dominating sets of with cardinality for In this paper, we construct all the twain secure perfect dominating sets of tadpole graphs by recursive method.
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