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V. K. Sharma [8,9] renamed the notions of regularly semiopen sets as ν−open sets introduced by Cameron. Following this V. K. Sharma and Authors  of this paper verified various separation axioms… Continue Reading
Let s ≥ 2 be an integer and k > 12(s - 1) an integer. We give a necessary and sufficient condition for a graph G containing no K2,s with δ$(G) ≥ k/2 and Δ(G) ≥ k to contain every tree T of order k +… Continue Reading
In this paper we discuss new type of continuous functions called slightly pg-continuo-us; somewhat pg-continuous and somewhat pg-open functions; its properties and interrelation with other such… Continue Reading
The aim of this paper is to introduce and study the concepts of contra vg-open and contra vg-closed mappings and the interrelationship between other contra-closed maps.
In this paper by using v-open sets we define almost v-normality and mild v-normality also we continue the study of further properties of v-normality. We show that these three axioms are regular open… Continue Reading
In 1959 Gallai  showed that the vertex independence number and the vertex covering number of a graph G = (V,E) sum to |V |. Over the last twenty years, many results similar to Gallai’s Theorem… Continue Reading
The object of the paper is to study basic properties of Almost contra vg-continuous functions.
In this paper we define almost rg-normality and mild rg-normality, continue the study of further properties of rgnormality. We show that these three axioms are regular open hereditary. Also define… Continue Reading