JUSTIFICATION OF ASYMPTOTIC EXPANSIONS OF THE EIGENVALUES OF NONSELFADJOINT SINGULARLY PERTURBED ELLIPTIC BOUNDARY VALUE PROBLEMS

DOI10.1070/SM1987v057n02ABEH003071zbMath0618.35005OpenAlexW1974261479MaRDI QIDQ4727488

Sergueï A. Nazarov

Publication date: 1987

Published in: Mathematics of the USSR-Sbornik (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/71746

zbMATH Keywords

small parameterasymptotic expansionsAsymptotic distributions

Mathematics Subject Classification ID

Singular perturbations in context of PDEs (35B25) Boundary value problems for higher-order elliptic equations (35J40) Asymptotic distributions of eigenvalues in context of PDEs (35P20)

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