Time-periodic solutions to the cubic wave equation: an elementary constructive approach

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1. Verfasser: Ficek, Filip
Format: Preprint
Veröffentlicht: 2025
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author Ficek, Filip
author_facet Ficek, Filip
contents We present an elementary proof of existence of infinite family of time-periodic solutions to the one-dimensional nonlinear cubic wave equation with Dirichlet boundary conditions. It relies on the first order perturbative expansion and uses the Banach contraction principle to show existence of nearby solutions. In contrast to the previous results, this approach provides us explicit information about the frequencies and structures of the obtained solutions.
format Preprint
id arxiv_https___arxiv_org_abs_2510_20054
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Time-periodic solutions to the cubic wave equation: an elementary constructive approach
Ficek, Filip
Analysis of PDEs
Mathematical Physics
35B10
We present an elementary proof of existence of infinite family of time-periodic solutions to the one-dimensional nonlinear cubic wave equation with Dirichlet boundary conditions. It relies on the first order perturbative expansion and uses the Banach contraction principle to show existence of nearby solutions. In contrast to the previous results, this approach provides us explicit information about the frequencies and structures of the obtained solutions.
title Time-periodic solutions to the cubic wave equation: an elementary constructive approach
topic Analysis of PDEs
Mathematical Physics
35B10
url https://arxiv.org/abs/2510.20054