Sur une perturbation singuliere d'operateurs differentiels elliptique-hyperbolique

DOI10.1080/03605308108820211zbMath0481.35015OpenAlexW2057032880MaRDI QIDQ3937720

Bruno Scheurer

Publication date: 1981

Published in: Communications in Partial Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/03605308108820211

zbMATH Keywords

existenceuniquenessCarleman inequalityTricomi problemperturbed problem

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) A priori estimates in context of PDEs (35B45) Theoretical approximation in context of PDEs (35A35) Perturbations in context of PDEs (35B20) Operator partial differential equations (= PDEs on finite-dimensional spaces for abstract space valued functions) (35R20) Partial differential equations of mixed type and mixed-type systems of partial differential equations (35M99)

Related Items (1)

Propagation of singularities phenomena for equations of tricome type

Cites Work

• Perturbations singulières dans les problèmes aux limites et en contrôle optimal
• Differential operators of principal type
• Pseudo-differential operators and non-elliptic boundary problems
• Rélations de domination entre opérateurs différentieles
• Sur le problème de Tricomi
• Symmetric positive linear differential equations
• A regularization for a simple model of transonic flow
• Nonlinear Singular Perturbation Problems and One Sided Difference Schemes
• Singularities of boundary value problems. I
• Numerical viscosity and the entropy condition
• On the non‐existence of limiting lines in transonic flows

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