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Displaying similar documents to “Characterization of 2 -minimally nonouterplanar join graphs”

Characterization of semientire graphs with crossing number 2

D. G. Akka, J. K. Bano (2002)

Mathematica Bohemica

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The purpose of this paper is to give characterizations of graphs whose vertex-semientire graphs and edge-semientire graphs have crossing number 2. In addition, we establish necessary and sufficient conditions in terms of forbidden subgraphs for vertex-semientire graphs and edge-semientire graphs to have crossing number 2.

Randomly H graphs

Gary Chartrand, Ortrud R. Oellermann, Sergio Ruiz (1986)

Mathematica Slovaca

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