Inverse resonance scattering on rotationally symmetric manifolds

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  • Hiroshi Isozaki
    Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, 305-8571, Japan. E-mail: isozakih@math.tsukuba.ac.jp
  • Evgeny Korotyaev
    Department of Analysis, Saint-Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg, 199034, Russia. E-mails: korotyaev@gmail.com, e.korotyaev@spbu.ru

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<jats:p>We discuss inverse resonance scattering for the Laplacian on a rotationally symmetric manifold M = ( 0 , ∞ ) × Y whose rotation radius is constant outside some compact interval. The Laplacian on M is unitarily equivalent to a direct sum of one-dimensional Schrödinger operators with compactly supported potentials on the half-line. We prove Asymptotics of counting function of resonances at large radius. The rotation radius is uniquely determined by its eigenvalues and resonances. There exists an algorithm to recover the rotation radius from its eigenvalues and resonances. The proof is based on some non-linear real analytic isomorphism between two Hilbert spaces.</jats:p>

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