This article is cited in 5 papers

On Zeros of Real Trigonometric Sums

M. E. Changa

Steklov Mathematical Institute, Russian Academy of Sciences

Abstract: The problem of calculating the number of zeros of a real trigonometric sum of an arbitrary form on a given interval is considered. Upper and lower bounds for this number are obtained by using the argument principle and are illustrated by examples.

UDC: 511

Received: 28.05.2003

DOI: 10.4213/mzm138

 English version: Mathematical Notes, 2004, 76:5, 738–742

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