T.J. Christiansen

  1. Probabilistic Weyl laws for quantized tori.

    Authors: T.J. Christiansen, M. Zworski
    Subjects: Spectral Theory
    Abstract

    For the Toeplitz quantization of complex-valued functions on a
    $2n$-dimensional torus we prove that the expected number of eigenvalues of
    small random perturbations of a quantized observable satisfies a natural Weyl
    law. In numerical experiments the same Weyl law also holds for ``false''
    eigenvalues created by pseudospectral effects.

  2. Probabilistic Weyl laws for quantized tori.

    Authors: T.J. Christiansen, M. Zworski
    Subjects: Spectral Theory
    Abstract

    For the Toeplitz quantization of complex-valued functions on a
    $2n$-dimensional torus we prove that the expected number of eigenvalues of
    small random perturbations of a quantized observable satisfies a natural Weyl
    law. In numerical experiments the same Weyl law also holds for ``false''
    eigenvalues created by pseudospectral effects.

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