Weyl formula for quasi-elliptic pseudo-differential operators

F. Nicola

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Displaying similar documents to “Weyl formula for quasi-elliptic pseudo-differential operators”

Spectral asymptotics for multi-quasi-elliptic operators in $ℝ^{n}$

P. Boggiatto, E. Buzano (1997)

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On the spectral theory of pseudo-differential elliptic boundary problems

Gerd Grubb (1983)

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Two remarks about spectral asymptotics of pseudodifferential operators

Wojciech Czaja, Ziemowit Rzeszotnik (1999)

Colloquium Mathematicae

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In this paper we show an asymptotic formula for the number of eigenvalues of a pseudodifferential operator. As a corollary we obtain a generalization of the result by Shubin and Tulovskiĭ about the Weyl asymptotic formula. We also consider a version of the Weyl formula for the quasi-classical asymptotics.