Displaying similar documents to “Short paths in 3-uniform quasi-random hypergraphs”

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.

On eulerian irregularity in graphs

Eric Andrews, Chira Lumduanhom, Ping Zhang (2014)

Discussiones Mathematicae Graph Theory

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A closed walk in a connected graph G that contains every edge of G exactly once is an Eulerian circuit. A graph is Eulerian if it contains an Eulerian circuit. It is well known that a connected graph G is Eulerian if and only if every vertex of G is even. An Eulerian walk in a connected graph G is a closed walk that contains every edge of G at least once, while an irregular Eulerian walk in G is an Eulerian walk that encounters no two edges of G the same number of times. The minimum...