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

Izv. RAN. Ser. Mat., 2005 Volume 69, Issue 1, Pages 3–16 (Mi im622)

This article is cited in 13 papers

On orthorecursive expansions with errors in the calculation of coefficients

V. V. Galatenko

M. V. Lomonosov Moscow State University

Abstract: We study orthorecursive expansions with errors in the calculation of coefficients. We prove that if a system of elements in a space with scalar product satisfies certain requirements, then the orthorecursive expansion with respect to this system is absolutely stable under a large class of relative and absolute numerical errors. It is also stable under small perturbations of the system.

UDC: 517.518+517.982

MSC: 41A46, 42C15, 65D15

Received: 09.07.2003

DOI: 10.4213/im622


 English version:
Izvestiya: Mathematics, 2005, 69:1, 1–14

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© Steklov Math. Inst. of RAS, 2026