Estimates for the number of the points in the negative spectrum of a class of pseudo-differential operators (Q810304)
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scientific article; zbMATH DE number 4212636
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Estimates for the number of the points in the negative spectrum of a class of pseudo-differential operators |
scientific article; zbMATH DE number 4212636 |
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Estimates for the number of the points in the negative spectrum of a class of pseudo-differential operators (English)
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1990
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The author estimates the number of points of the negative spectrum for the pseudo-differential operators \(L_ su=F^{-1}(| \xi |^{2s}Fu)-vu\), where F is the Fourier transform, v is a certain function, \(s>0\).
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negative spectrum
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0.7821469902992249
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0.7738673686981201
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0.765255868434906
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0.7543073892593384
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