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On the Wiener Norm of Subsets of ℤp of Medium Size


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Abstract

We give a lower bound for the Wiener norm of the characteristic function of a subset A from ℤp, where p is a prime number, in the case where exp((log p/log log p)1/3) ≤ |A| ≤ p/3.

About the authors

S. V. Konyagin

Steklov Mathematical Institute; Moscow State University

Author for correspondence.
Email: konyagin@mi.ras.ru
Russian Federation, ul. Gubkina, 8, Moscow, 119991; Leninskie Gory, Moscow, 119992

I. D. Shkredov

Steklov Mathematical Institute; IITP RAS

Email: konyagin@mi.ras.ru
Russian Federation, ul. Gubkina, 8, Moscow, 119991; Bolshoy Karetny per. 19, Moscow, 127994

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