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Q4361987 - MaRDI portal

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scientific article; zbMATH DE number 1080802
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English
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scientific article; zbMATH DE number 1080802

    Statements

    author
    Paolo Falsaperla
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    G. Fonte
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    publication date
    8 February 1999
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    zbMATH Keywords
    spectral theory
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    self-adjoint operator
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    unbounded linear operator
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    lower and upper bounds of eigenvalues
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    eigenvalues of an opertor
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    Lehmann-Maehly and Kato methods
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    Rayleigh-Ritz procedure
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    Weinstein's formula
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    Identifiers

    Mathematics Subject Classification ID
    49R50
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    47A75
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    46N50
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    zbMATH DE Number
    1080802
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