Vol. 8, No. 2, February 2012
Authors: D. Nidha and R. Kala
Abstract: The edge-domsaturation number ds′(G) of a graph G = (V,E) is the least positive integer k such that every edge of G lies in an edge dominating set of cardinality k. The connected edge-domsaturation number ds′c(G) of a graph G = (V,E) is the least positive integer k such that every edge of G lies in a connected edge dominating set of cardinality k. In this paper, we obtain several results connecting ds′(G), ds′c(G)and other graph theoretic parameters.
Authors: A. Bhattacharjeeand R.N. Bhaumik
Abstract: The aim of this paper is to introduce and study different properties of pre-semi closed sets in intuitionistic fuzzy topological spaces. As applications to pre-semi-closed sets we introduce pre-semi T1/2-spaces, semi- pre T1/3 space and pre-semi T3/4-spaces and obtain some of their basic properties.
Author: S.K.Q. Al-Omari
Abstract: The theory of the diffraction Fresnel transform is extended to certain spaces of Schwartz distributions. In the context of Boehmian spaces, the diffraction Fresnel transform is obtained as a continuous function. Convergence with respect to δ and Δ convergences is well defined.
Authors: R. Umamaheshwar Rao and V. Srinivas
Abstract: The aim of this paper is to present a common fixed point theorem in a metric space which extends the results of B. Fisher, G.Jungck and P.C. Lohani & V.H. Bhadshah using the weaker conditions such as Reciprocally continuous, Compatible mappings, Weakly compatible and Associated sequence.
Authors: Erhan Piṣkin and Necat Polat
Abstract: In this paper we consider the decay rate and the blow up of solutions for the initial and Dirichlet boundary value problem for coupled a class of nonlinear higher order wave equations, in a bounded domain.
Authors: Mehmet Açıkgöz and Ayhan Esi
Abstract: In this paper, we introduce the concepts of invariant convergence, lacunary invariant statistical convergence of sequences of fuzzy numbers and lacunary strongly invariant convergence of sequences of fuzzy numbers. We give some relations related to these concepts.
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