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Browsing by Subject "variational principles"

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    Item type:Article, Access status: Open Access ,
    Variational characterizations for eigenfunctions of analytic self-adjoint operator functions
    (2013) Katsouleas, Georgios; Maroulas, John
    In this paper we consider Rellich’s diagonalization theorem for analytic self-adjoint operator functions and investigate variational principles for their eigenfunctions and interlacing statements. As an application, we present a characterization for the eigenvalues of hyperbolic operator polynomials.