Gevrey index theorem for some inhomogeneous semilinear partial differential equations with variable coefficients
Résumé
In this article, we are interested in the Gevrey properties of the formal power series solution in time of some partial differential equations with a power-law nonlinearity and with analytic coefficients at the origin of $C^2$. We prove in particular that the inhomogeneity of the equation and the formal solution are together $s$-Gevrey for any $s\geq s_c$, where $s_c$ is a nonnegative rational number fully determined by the Newton polygon of the associated linear PDE. In the opposite case $s
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https://hal.science/hal-02263353
Soumis le : dimanche 4 août 2019-14:34:31
Dernière modification le : vendredi 15 mars 2024-03:07:43
Archivage à long terme le : mercredi 8 janvier 2020-22:47:59
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- HAL Id : hal-02263353 , version 1
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Pascal Remy. Gevrey index theorem for some inhomogeneous semilinear partial differential equations with variable coefficients. 2019. ⟨hal-02263353⟩
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