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Q3891689 - MaRDI portal

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scientific article

    Statements

    author
    Friedrich Goerisch
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    publication date
    1980
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    zbMATH Keywords
    inclusion of eigenvalues
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    symmetric linear operators
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    pre-Hilbert space
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    Lehmann-Maehly-method
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    Trefftz-method
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    inclusion intervals of minimal length
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    Identifiers

    Mathematics Subject Classification ID
    65J10
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    47A10
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    35P15
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    65N15
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    zbMATH DE Number
    3698306
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