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JOURNALS // Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya // Archive

Izv. RAN. Ser. Mat., 2010 Volume 74, Issue 5, Pages 205–224 (Mi im2817)

Canonical products generated by perturbations of the sequence of integers, and their asymptotic estimation

A. A. Yukhimenko

M. V. Lomonosov Moscow State University, Faculty of Mechanics and Mathematics

Abstract: We obtain asymptotic estimates for canonical products with complex zeros of the form $\lambda_n=n+o(n)$. A formula is found for the excess of the system of exponentials $\{e^{i\lambda_nt}\}_{n\in\mathbb{Z}}$ in the space $L^2(-\pi,\pi)$. We consider some particular cases of sequences $\{\lambda_n\}_{n\in\mathbb{Z}}$.

Keywords: canonical product, asymptotic estimate, slowly varying function, excess of a system.

UDC: 517.547.2+517.538.2

MSC: 30D15, 30E15, 30B60

Received: 20.06.2008
Revised: 28.07.2009

DOI: 10.4213/im2817


 English version:
Izvestiya: Mathematics, 2010, 74:5, 1083–1101

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© Steklov Math. Inst. of RAS, 2026