Geodesic
Characterization of semientire graphs with crossing number 2
Mathematica Bohemica, Tome 127 (2002) no. 3, pp. 361-369.

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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.
DOI : 10.21136/MB.2002.134067
Classification : 05C10, 05C50, 05C75, 05C99
Keywords: semientire graph; vertex-semientire graph; edge-semientire graph; crossing number; forbidden subgraph; homeomorphic graphs 
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Akka, D. G.; Bano, J. K. Characterization of semientire graphs with crossing number 2. Mathematica Bohemica, Tome 127 (2002) no. 3, pp. 361-369. doi : 10.21136/MB.2002.134067. http://geodesic.mathdoc.fr/articles/10.21136/MB.2002.134067/

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