Geodesic
The independence number for polarity graphs of even order planes
Journal of Algebraic Combinatorics, Tome 38 (2013) no. 1, pp. 57-64.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: In this paper, we use coherent configurations to obtain new upper bounds on the independence number of orthogonal polarity graphs of projective planes of even order. In the case of classical planes of square even order, these bounds differ only by 1 from the size of the largest known independent sets.
Keywords: projective plane, polarity graph, coherent configuration 
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     title = {The independence number for polarity graphs of even order planes},
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Hobart, Sylvia A.; Williford, Jason. The independence number for polarity graphs of even order planes. Journal of Algebraic Combinatorics, Tome 38 (2013) no. 1, pp. 57-64. http://geodesic.mathdoc.fr/item/JAC_2013__38_1_a8/