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On induced Folkman numbers
Authors:Andrzej Dudek  Reshma Ramadurai  Vojtěch Rödl
Institution:1. Department of Mathematics, Western Michigan University, Kalamazoo, Michigan 49008;2. Department of Mathematical Sciences, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213;3. Department of Mathematics and Computer Science, Emory University, Atlanta, Georgia 30322
Abstract:In 1970, Folkman proved that for any graph G there exists a graph H with the same clique number as G. In addition, any r ‐coloring of the vertices of H yields a monochromatic copy of G. For a given graph G and a number of colors r let f(G, r) be the order of the smallest graph H with the above properties. In this paper, we give a relatively small upper bound on f(G, r) as a function of the order of G and its clique number. © 2012 Wiley Periodicals, Inc. Random Struct. Alg., 40, 493–500, 2012
Keywords:Folkman numbers
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