Derivation of resonance-based schemes via normal forms

Fuente: arXiv
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Autor principal: Bruned, Yvain
Formato: Preprint
Publicado: 2025
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author Bruned, Yvain
author_facet Bruned, Yvain
contents In this work, we propose a systematic derivation of resonance-based schemes via normal forms. The main idea is to use an arborification map on decorated trees together with a Butcher-Connes-Kreimer type coproduct and lower-dominant parts decompositions of the Fourier operator coming from the nonlinear interactions. This new family of low regularity schemes has explicit formulae for its coefficients and its local error. Under a mild assumption, one could expect these schemes to have a similar local error as the low regularity schemes proposed in arXiv:2005.01649.
format Preprint
id arxiv_https___arxiv_org_abs_2511_07838
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Derivation of resonance-based schemes via normal forms
Bruned, Yvain
Numerical Analysis
Analysis of PDEs
Rings and Algebras
In this work, we propose a systematic derivation of resonance-based schemes via normal forms. The main idea is to use an arborification map on decorated trees together with a Butcher-Connes-Kreimer type coproduct and lower-dominant parts decompositions of the Fourier operator coming from the nonlinear interactions. This new family of low regularity schemes has explicit formulae for its coefficients and its local error. Under a mild assumption, one could expect these schemes to have a similar local error as the low regularity schemes proposed in arXiv:2005.01649.
title Derivation of resonance-based schemes via normal forms
topic Numerical Analysis
Analysis of PDEs
Rings and Algebras
url https://arxiv.org/abs/2511.07838