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Upper total domination versus upper paired-domination
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Paul Dorbec MichaelA. Henning John McCoyLet G be a graph with no isolated vertices. A set S of vertices in G is a total dominating set of G if every vertex of G is adjacent to some vertex in S, while a paired-dominating set of... -
A new lower bound on the total domination number of a graph
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Majid Hajian --- Shahrood University of Technology, Iran Michael A. Henning --- University of Johannesburg, South Africa Nader Jafari Rad --- Shahed University, IranA set S of vertices in a graph G is a total dominating set of G if every vertex in G is adjacent to some vertex in S. The total domination number, γt (G), is the minimum cardinality of a... -
Human capital accumulation and economic growth of Ethiopian economy
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Zemed Degu Mengesha --- Punjabi University, India Lakhwinder Singh --- Punjabi University, IndiaEconomic theory, empirical studies and public policy have underlined the importance of the relationship between human capital accumulation and economic growth. Several developing countries have included human capital development as an integral part of their national development plans and have...