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Bessel inequality, Riesz theorem, and unconditional basis property for root vectors of ordinary differential operators - MaRDI portal

Bessel inequality, Riesz theorem, and unconditional basis property for root vectors of ordinary differential operators (Q1803042)

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scientific article; zbMATH DE number 220191
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English
Bessel inequality, Riesz theorem, and unconditional basis property for root vectors of ordinary differential operators
scientific article; zbMATH DE number 220191

    Statements

    Bessel inequality, Riesz theorem, and unconditional basis property for root vectors of ordinary differential operators (English)
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    29 June 1993
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    See the review in Zbl 0768.34053.
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    ordinary differential operators
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    Schrödinger operators
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    Riesz basis
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    Bessel inequality
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    Riesz theorem
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