R. Jayagopal

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A locating-total dominating set (LTDS) S of a graph G is a total dominating set S of G such that for every two vertices u and v in V(G) − S, N(u)∩S ≠ N(v)∩S. The locating-total domination number ( ) l t G  is the minimum cardinality of a LTDS of G. A LTDS of cardinality ( ) l t G  we call a ( ) l t G  -set. In this paper, we determine the locating-total(More)
Edapatty is a small village in Attur taluk of Salem District in Tamil Nadu. To understand groundwater quality for pre and post-monsoon period, the pre-monsoon season over exploitation of groundwater leads to water level decreases. Thus the main objective of this study is to give an account of the hydrogeochemistry of the region, to trace the sourced of(More)
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