The Bessel and Hilbert properties for root functions of second-order ordinary differential operators with the Carleman condition violated (Q954196)
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scientific article; zbMATH DE number 5363468
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The Bessel and Hilbert properties for root functions of second-order ordinary differential operators with the Carleman condition violated |
scientific article; zbMATH DE number 5363468 |
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The Bessel and Hilbert properties for root functions of second-order ordinary differential operators with the Carleman condition violated (English)
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10 November 2008
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The author studies properties of the system of root functions for second-order linear differential operators of the form \[ L u = u'' + q (x) u \] with \(q \in L_{1} (a,b)\) (\(- \infty < a < b < + \infty\)).
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