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searching for Comparability graph 2 found (113 total)

Trapezoid graph (1,528 words) [view diff] exact match in snippet view article find links to article

trapezoid graph, its complement G ′ {\displaystyle {G'}} must be a comparability graph. If a transitive orientation F {\displaystyle {F}} of the complement

Universal vertex (1,942 words) [view diff] exact match in snippet view article find links to article

1090/gsm/089, ISBN 978-0-8218-4467-0, MR 2389013. Wolk, E. S. (1962), "The comparability graph of a tree", Proceedings of the American Mathematical Society, 13