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Constructions of Generalized Sidon Sets

Greg Martin, Kevin O'Bryant

math.NTarXiv:math/0408081

Abstract

We give explicit constructions of sets S with the property that for each integer k, there are at most g solutions to k=s1+s2, si∈ S; such sets are called Sidon sets if g=2 and generalized Sidon sets if g 3. We extend to generalized Sidon sets the Sidon-set constructions of Singer, Bose, and Ruzsa. We also further optimize Koulantzakis' idea of interleaving several copies of a Sidon set, extending the improvements of Cilleruelo & Ruzsa & Trujillo, Jia, and Habsieger & Plagne. The resulting constructions yield the largest known generalized Sidon sets in virtually all cases.

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