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1 results

  • 4 - Asymptotic Stability of Stationary Orbits and Solitons

  • Alexander Komech, Universität Wien, Austria, Elena Kopylova, Universität Wien, Austria
  • Book:
    Attractors of Hamiltonian Nonlinear Partial Differential Equations
    Published online:
    17 September 2021
    Print publication:
    30 September 2021, pp 114-165

  • Summary

    We explain in detail the strategy of Buslaev--Perelman--Sulem (BPS): symplectic projection of a trajectory on a solitary manifold andmodulation equations for the projection and time decay for a transversal component using the Poincar\'e normal form and Fermi Golden Rule for the transversal dynamics. We present an extensive list of results onasymptotic stability of stationary orbitsand solitons that rely on the BPS strategy and its generalizations byS. Cuccagna, Y. Martel, F. Merle, T. Mizumachi, K. Nakanishi, I. Rodnianski,W. Schlag,I. M. Sigal, A. Soffer,R. L. Pego,T. P. Tsai,M. I. Weinstein, H. T. Yau, and others. We also mention the results on stability and instability ofself-similar, spherically symmetric solutions and rotating Kerr solutions ofequations of the General Theory of Relativity by T. Harada, C. E. Kenig, H. Maeda,F. Merle, W. Schlag, and others. Moreover, we illustrate the BPS strategyin the simplest modelof a 1D Schrödinger equation coupled to a nonlinear oscillator, giving complete proofs with all details.