Asymptotics of the spectral function for operators constructed from vector fields

zbMath0648.47033MaRDI QIDQ1105182

A. M. Lopatnikov

Publication date: 1987

Published in: Moscow University Mathematics Bulletin (Search for Journal in Brave)

zbMATH Keywords

spectrumcommutatorsHörmander conditionasymptotics of the spectral functionMetivier condition

Mathematics Subject Classification ID

Asymptotic distributions of eigenvalues in context of PDEs (35P20) Commutators, derivations, elementary operators, etc. (47B47) General theory of partial differential operators (47F05)

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