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

Izv. RAN. Ser. Mat., 2019 Volume 83, Issue 5, Pages 27–52 (Mi im8840)

This article is cited in 5 papers

Adaptive energy-saving approximation for stationary processes

Z. Kabluchkoa, M. A. Lifshitsb

a Münster University, Münster, Germany
b Saint Petersburg State University

Abstract: We consider a stationary process (with either discrete or continuous time) and find an adaptive approximating stationary process combining high quality approximation and other good properties that can be interpreted as additional smoothness or small expense of energy. The problem is solved in terms of spectral characteristics of the original process using the classical analytic methods of prediction theory.

Keywords: least-energy approximation, prediction, stationary process, stationary sequence.

UDC: 519.216

MSC: Primary 60G10; Secondary 60G15, 49J40, 41A00

Received: 09.07.2018
Revised: 25.09.2018

DOI: 10.4213/im8840


 English version:
Izvestiya: Mathematics, 2019, 83:5, 932–956

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© Steklov Math. Inst. of RAS, 2026