The Sidon constant of sets with three elements

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We solve an elementary extremal problem on trigonometric polynomials and obtain the exact value of the Sidon constant for sets with three elements {n0, n1, n2}: it is \sec(π/ 2n) for n = max(n1-n0, n2-n0, n2-n1) / gcd(n1-n0, n2-n0).
7 pages

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Classical Analysis and ODEs, Functional Analysis, 42A05

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http://salesiana.dossiersoluciones.com/handle/123456789/60968

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0102145
 http://arxiv.org/abs/math/0102145

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arXiv