Spectral properties of the Frechet derivatives of stratified steady Stokes waves
Fuente:
arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866914178830172160 |
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| author | Kozlov, Vladimir |
| author_facet | Kozlov, Vladimir |
| contents | We consider stratified steady water waves in a two dimensional channel. Our main subject is spectral properties of the Frechet derivatives of steady water Stokes waves. One of main results is the absence of subharmonic water waves in a neighborhood of a Stokes wave. The main assumption is formulated in terms of the eigenvalues of the Frechet derivative evaluated at this wave and considered in the class of periodic solutions of the same period. The first eigenvalue is always negative. We show that if the second eigenvalue is positive then there are no waves with multiple periods in a neighborhood of the Stokes wave. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_03831 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spectral properties of the Frechet derivatives of stratified steady Stokes waves Kozlov, Vladimir Analysis of PDEs Mathematical Physics 35Q31, 76N30, We consider stratified steady water waves in a two dimensional channel. Our main subject is spectral properties of the Frechet derivatives of steady water Stokes waves. One of main results is the absence of subharmonic water waves in a neighborhood of a Stokes wave. The main assumption is formulated in terms of the eigenvalues of the Frechet derivative evaluated at this wave and considered in the class of periodic solutions of the same period. The first eigenvalue is always negative. We show that if the second eigenvalue is positive then there are no waves with multiple periods in a neighborhood of the Stokes wave. |
| title | Spectral properties of the Frechet derivatives of stratified steady Stokes waves |
| topic | Analysis of PDEs Mathematical Physics 35Q31, 76N30, |
| url | https://arxiv.org/abs/2512.03831 |