On zeros of sums of cosines

DOI10.1134/S0001434620090254zbMath1451.42002MaRDI QIDQ2210410

Sergei V. Konyagin

Publication date: 6 November 2020

Published in: Mathematical Notes (Search for Journal in Brave)

zbMATH Keywords

trigonometric polynomialsDirichlet kernel

Mathematics Subject Classification ID

Polynomials in number theory (11C08) Trigonometric polynomials, inequalities, extremal problems (42A05)

Cites Work

• Unnamed Item
• Counting zeros of cosine polynomials: on a problem of Littlewood
• On the zeros of cosine polynomials: solution to a problem of Littlewood
• The number of unimodular zeros of self-reciprocal polynomials with coefficients in a finite set
• Improved lower bound for the number of unimodular zeros of self-reciprocal polynomials with coefficients in a finite set

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