On the combinatorics of projective mappings
Journal of Algebraic Combinatorics, Tome 14 (2001) no. 3, pp. 183-197.

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

Summary: We consider composition sets of one-dimensional projective mappings and prove that small composition sets are closely related to Abelian subgroups.
Keywords: projective mapping, composition set, abelian subgroup
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     title = {On the combinatorics of projective mappings},
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Elekes, György; Király, Zoltán. On the combinatorics of projective mappings. Journal of Algebraic Combinatorics, Tome 14 (2001) no. 3, pp. 183-197. http://geodesic.mathdoc.fr/item/JAC_2001__14_3_a3/