Quasi-subelliptic estimates for operators with multiple characteristics

DOI10.1080/03605308608820424zbMath0606.35016OpenAlexW2025770122MaRDI QIDQ3744546

Gary B. Roberts

Publication date: 1986

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

Full work available at URL: https://doi.org/10.1080/03605308608820424

zbMATH Keywords

Sobolev spacemultiple characteristicshypoellipticsmooth coefficientsquasi-homogeneousquasi-homogeneous operatorsgeneralized symbolsquasi- subelliptic estimate

Mathematics Subject Classification ID

A priori estimates in context of PDEs (35B45)

Related Items

Local solvability and hypoellipticity for semilinear anisotropic partial differential equations ⋮ A necessary condition for the solvability of certain operators with multiple characteristics

Cites Work

• Invariants associés à une classe d'opérateurs pseudodifférentiels et applications à l'hypoellipticité
• A class of hypoelliptic pseudodifferential operators with double characteristics
• A general calculus of pseudodifferential operators
• Parametrices for a class of pseudo differential operators. I
• Local solvability and hypoellipticity for operators with odd order characteristics
• Propagation des singularites et hypoellipticite pour des operateurs pseudo-differentiels a caracteristiques doubles
• A new method of proof of the subelliptic estimates
• Errata
• Parametrices for pseudodifferential operators with multiple characteristics

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