Oscillations of anharmonic Fourier series and the wave equation
type: Item
instance of: scholarly article
title: Oscillations of anharmonic Fourier series and the wave equation
zbMATH Open document ID: 0612.35077
DOI: 10.4171/RMI/18
author: Alain Haraux
author: V. Komornik
published in: Revista Matemática Iberoamericana
publication date: 1985-01-01T00:00:00Z
full work available at URL: https://eudml.org/doc/39830
review text: The author studies the oscillation of solution for wave equation. Some results on the sign of sufficiently regular solution are obtained, these results rely on a study of the sign of almost periodic functions of a special form restricted to a bounded interval.
Mathematics Subject Classification ID: 35L05
Mathematics Subject Classification ID: 35B05
Mathematics Subject Classification ID: 35B15
zbMATH DE Number: 3989939
zbMATH Keywords: anharmonic Fourier series
zbMATH Keywords: oscillation
zbMATH Keywords: wave equation
zbMATH Keywords: regular solution
zbMATH Keywords: almost periodic functions
MaRDI profile type: Publication
OpenAlex ID: W2082446765
description: scientific article; zbMATH DE number 3989939