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Article Dans Une Revue J.Math.Phys. Année : 2020

On time periodic solutions to the conformal cubic wave equation on the Einstein cylinder

Résumé

We consider the conformal wave equation on the Einstein cylinder with a defocusing cubic non-linearity. Motivated by a method developed by Rostworowski and Maliborski on the existence of time periodic solutions to the spherically symmetric Einstein–Klein–Gordon system, we study perturbations around the zero solution as a formal series expansion and assume that the perturbations bifurcate from one mode. In the center of this work stands a rigorous proof on how one can choose the initial data to cancel out all secular terms in the resonant system. Interestingly, our analysis reveals that the only possible choice for the existence of time periodic solutions bifurcating from the first mode is when the error terms in the expansion are all proportional to this dominant one mode. Finally, we use techniques from ordinary differential equations and establish the existence of time periodic solutions for the initial data proportional to the first mode of the linearized operator.

Dates et versions

hal-02564655 , version 1 (05-05-2020)

Identifiants

Citer

Athanasios Chatzikaleas. On time periodic solutions to the conformal cubic wave equation on the Einstein cylinder. J.Math.Phys., 2020, 61 (11), pp.111505. ⟨10.1063/5.0026015⟩. ⟨hal-02564655⟩
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