Some estimates for the minimal eigenvalue of the Sturm-Liouville problem with third-type boundary conditions. (Q2881209)
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scientific article; zbMATH DE number 6021436
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Some estimates for the minimal eigenvalue of the Sturm-Liouville problem with third-type boundary conditions. |
scientific article; zbMATH DE number 6021436 |
Statements
3 April 2012
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Sturm-Liouville problem
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minimal eigenvalue
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0.92481583
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0.9033952
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0.8908688
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0.8901249
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0.88104725
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0.8784903
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0.87609357
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Some estimates for the minimal eigenvalue of the Sturm-Liouville problem with third-type boundary conditions. (English)
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The Sturm-Liouville problem NEWLINE\[NEWLINEy''-q(x)y+\lambda y=0, \;y'(0)-k^2y(0)=0, \;y'(1)+k^2y(1)=0NEWLINE\]NEWLINE is considered, where the coefficient \(q\) belongs to a certain class \(A_{\gamma }\). The author proves both upper and lower estimates for the first eigenvalue \(\lambda _1(q)\) of this problem depending on parameters \(k\) and \(\gamma \).
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