Displaying similar documents to “Edge-Transitive Lexicographic and Cartesian Products”

On transitive orientations of G-ê

Michael Andresen (2009)

Discussiones Mathematicae Graph Theory

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A comparability graph is a graph whose edges can be oriented transitively. Given a comparability graph G = (V,E) and an arbitrary edge ê∈ E we explore the question whether the graph G-ê, obtained by removing the undirected edge ê, is a comparability graph as well. We define a new substructure of implication classes and present a complete mathematical characterization of all those edges.

Remarks on the Balaban Index

Ghorbani, Modjtaba (2013)

Serdica Journal of Computing

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In this paper we compute some bounds of the Balaban index and then by means of group action we compute the Balaban index of vertex transitive graphs. ACM Computing Classification System (1998): G.2.2 , F.2.2.