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Título: | Nodal set of monochromatic waves satisfying the Random Wave Model |
Autor: | Romaniega, A.; Sartori, A. | Fecha de publicación: | 2022 | Editor: | Academic Press | Citación: | Journal of Differential Equations 333: 1- 54 (2022) | Resumen: | We construct deterministic solutions to the Helmholtz equation in R which behave accordingly to the Random Wave Model. We then find the number of their nodal domains, their nodal volume and the topologies and nesting trees of their nodal set in growing balls around the origin. The proof of the pseudo-random behaviour of the functions under consideration hinges on a de-randomisation technique pioneered by Bourgain and proceeds via computing their L-norms. The study of their nodal set relies on its stability properties and on the evaluation of their doubling index, in an average sense. | Versión del editor: | http://dx.doi.org/10.1016/j.jde.2022.05.023 | URI: | http://hdl.handle.net/10261/281797 | DOI: | 10.1016/j.jde.2022.05.023 | Identificadores: | doi: 10.1016/j.jde.2022.05.023 issn: 1090-2732 |
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preprint_alvaro.romaniega@icmat.es_251022-123703[1].pdf | 1,32 MB | Adobe PDF | Visualizar/Abrir |
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