Regularity and decay of solutions of nonlinear harmonic oscillators

Details Regularity and decay of solutions of nonlinear harmonic oscillators Regularity and decay of solutions of nonlinear harmonic oscillators

2011-04-12

arxiv.org/abs/1104.2139v1

Mathematics

Analysis of PDEs

36 pages

Scientific paper

We prove sharp analytic regularity and decay at infinity of solutions of variable coefficients nonlinear harmonic oscillators. Namely, we show holomorphic extension to a sector in the complex domain, with a corresponding Gaussian decay, according to the basic properties of the Hermite functions in R^d. Our results apply, in particular, to nonlinear eigenvalue problems for the harmonic oscillator associated to a real-analytic scattering, or asymptotically conic, metric in R^d, as well as to certain perturbations of the classical harmonic oscillator.

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