NP-hardness results for intersection graphs
Jan Kratochvíl, Jiří Matoušek (1989)
Commentationes Mathematicae Universitatis Carolinae
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Jan Kratochvíl, Jiří Matoušek (1989)
Commentationes Mathematicae Universitatis Carolinae
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Marián Klešč, Stefan Schrötter (2011)
Discussiones Mathematicae Graph Theory
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Kulli and Muddebihal [V.R. Kulli, M.H. Muddebihal, Characterization of join graphs with crossing number zero, Far East J. Appl. Math. 5 (2001) 87-97] gave the characterization of all pairs of graphs which join product is planar graph. The crossing number cr(G) of a graph G is the minimal number of crossings over all drawings of G in the plane. There are only few results concerning crossing numbers of graphs obtained as join product of two graphs. In the paper, the exact values of crossing...
Chandran, L.Sunil, Lozin, Vadim V., Subramanian, C.R. (2005)
Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]
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Jan Kratochvíl (1995)
Commentationes Mathematicae Universitatis Carolinae
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In this note, we introduce the notion of -Ramsey classes of graphs and we reveal connections to intersection dimensions of graphs.
Brandt, Stephan, Brinkmann, Gunnar, Harmuth, Thomas (1998)
The Electronic Journal of Combinatorics [electronic only]
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Akiyama, Jin, Harary, Frank (1979)
International Journal of Mathematics and Mathematical Sciences
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