scientific article

zbMath0459.35099MaRDI QIDQ3909444

Georgi S. Popov, Peter R. Popivanov

Publication date: 1980

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

pseudo-differential operatorsmultiple characteristicslocalization techniquemicrolocal hypoellipticitysmoothing operatorsmicrolocal propertiesnon-homogeneous canonical transformationsPuiseau seriessymbol of principal type

Mathematics Subject Classification ID

Numerical computation of solutions to systems of equations (65H10) Smoothness and regularity of solutions to PDEs (35B65) Pseudodifferential operators as generalizations of partial differential operators (35S05) A priori estimates in context of PDEs (35B45) Pseudodifferential operators and other generalizations of partial differential operators (35S99)

Related Items (3)

Local solvability and hypoellipticity for semilinear anisotropic partial differential equations ⋮ On local solvability of linear partial differential operators with multiple characteristics ⋮ Local solvability for semilinear anisotropic partial differential equations

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