Piecewise-polynomial approximation of functions from \(H^ \ell((0,1)^ d)\), \(2\ell=d\), and applications to the spectral theory of the Schrödinger operator (Q1327509)
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scientific article; zbMATH DE number 590942
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Piecewise-polynomial approximation of functions from \(H^ \ell((0,1)^ d)\), \(2\ell=d\), and applications to the spectral theory of the Schrödinger operator |
scientific article; zbMATH DE number 590942 |
Statements
Piecewise-polynomial approximation of functions from \(H^ \ell((0,1)^ d)\), \(2\ell=d\), and applications to the spectral theory of the Schrödinger operator (English)
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19 June 1994
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selfadjoint Schrödinger operator
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number of negative eigenvalues
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\(L_ 2\)-approximation of functions from the Sobolev spaces
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critical exponent in the embedding theorem
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0.9176781
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0.90373504
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0.9023512
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0.89157295
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0.88850176
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0.88724065
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