The asymptotic behavior of the principal eigenvalue of singularly perturbed degenerate elliptic operators

zbMath0417.35037MaRDI QIDQ755043

Avner Friedman, Allen Devinatz

Publication date: 1977

Published in: Illinois Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

asymptotic behavior of the principal eigenvaluesingularly perturbed degenerate elliptic operators

Mathematics Subject Classification ID

Singular perturbations in context of PDEs (35B25) Estimates of eigenvalues in context of PDEs (35P15) Asymptotic distributions of eigenvalues in context of PDEs (35P20) Second-order elliptic equations (35J15)

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