A Kneser Theorem for Higher order Elliptic Equations

DOI10.4153/CMB-1977-001-6zbMath0401.35004MaRDI QIDQ4185191

Walter Allegretto

Publication date: 1977

Published in: Canadian Mathematical Bulletin (Search for Journal in Brave)

zbMATH Keywords

Elliptic EquationsKneser Theorem

Mathematics Subject Classification ID

Boundary value problems for higher-order elliptic equations (35J40) Partial differential inequalities and systems of partial differential inequalities (35R45) Oscillation, zeros of solutions, mean value theorems, etc. in context of PDEs (35B05) A priori estimates in context of PDEs (35B45)

Related Items (5)

Sharp nonoscillation theorems for even-order elliptic equations ⋮ Sturmian theory of second-order elliptic differential equations and inequalities ⋮ Nonoscillation Theorems for Nonselfadjoint Even‐Order Elliptic Equations ⋮ Über die Kneser-Konstante der Differentialgleichung (−δ) m u+q(x)u=0 ⋮ Sharp nonlogarithmic Kneser theorems for fourth-order elliptic equations

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