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Displaying similar documents to “Digraphs maximal with respect to connectivity”

On radially extremal digraphs

Ferdinand Gliviak, Martin Knor (1995)

Mathematica Bohemica

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We define digraphs minimal, critical, and maximal by three types of radii. Some of these classes are completely characterized, while for the others it is shown that they are large in terms of induced subgraphs.

On independent sets and non-augmentable paths in directed graphs

H. Galeana-Sánchez (1998)

Discussiones Mathematicae Graph Theory

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We investigate sufficient conditions, and in case that D be an asymmetrical digraph a necessary and sufficient condition for a digraph to have the following property: "In any induced subdigraph H of D, every maximal independent set meets every non-augmentable path". Also we obtain a necessary and sufficient condition for any orientation of a graph G results a digraph with the above property. The property studied in this paper is an instance of the property of a conjecture of J.M. Laborde,...