Periodic layer potentials and domain perturbations
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866915239309606912 |
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| author | Bramati, Roberto Riva, Matteo Dalla Luzzini, Paolo Musolino, Paolo |
| author_facet | Bramati, Roberto Riva, Matteo Dalla Luzzini, Paolo Musolino, Paolo |
| contents | In this paper, we review the construction of periodic fundamental solutions and periodic layer potentials for various differential operators. Specifically, we focus on the Laplace equation, the Helmholtz equation, the Lamé system, and the heat equation. We then describe how these layer potentials can be applied to analyze domain perturbation problems. In particular, we present applications to the asymptotic behavior of quasi-periodic solutions for a Dirichlet problem for the Helmholtz equation in an unbounded domain with small periodic perforations. Additionally, we investigate the dependence of spatially periodic solutions of an initial value Dirichlet problem for the heat equation on regular perturbations of the base of a parabolic cylinder. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_13001 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Periodic layer potentials and domain perturbations Bramati, Roberto Riva, Matteo Dalla Luzzini, Paolo Musolino, Paolo Analysis of PDEs 31B10, 35B10, 45A05, 35J05, 35K20, 47H30 In this paper, we review the construction of periodic fundamental solutions and periodic layer potentials for various differential operators. Specifically, we focus on the Laplace equation, the Helmholtz equation, the Lamé system, and the heat equation. We then describe how these layer potentials can be applied to analyze domain perturbation problems. In particular, we present applications to the asymptotic behavior of quasi-periodic solutions for a Dirichlet problem for the Helmholtz equation in an unbounded domain with small periodic perforations. Additionally, we investigate the dependence of spatially periodic solutions of an initial value Dirichlet problem for the heat equation on regular perturbations of the base of a parabolic cylinder. |
| title | Periodic layer potentials and domain perturbations |
| topic | Analysis of PDEs 31B10, 35B10, 45A05, 35J05, 35K20, 47H30 |
| url | https://arxiv.org/abs/2412.13001 |