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On the domain of selfadjoint extension of the product of Sturm-Liouville differential operators - MaRDI portal

On the domain of selfadjoint extension of the product of Sturm-Liouville differential operators (Q1864306)

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scientific article; zbMATH DE number 1883698
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On the domain of selfadjoint extension of the product of Sturm-Liouville differential operators
scientific article; zbMATH DE number 1883698

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    On the domain of selfadjoint extension of the product of Sturm-Liouville differential operators (English)
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    17 March 2003
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    In this paper second-order symmetric Sturm--Liouville differential expressions with real coefficients are considered. The characterization of singular selfadjoint boundary conditions involves the sesquilinear form associated with the product of Sturm--Liouville differential expressions and elements of the maximal domain of the product operators. The obtained results are extensions of those obtained by Zettl and others.
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    second-order Sturm-Liouville differential expressions
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    singular selfadjoint boundary conditions
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