Construction of the fundamental solution for degenerate parabolic systems and its application to construction of a parametrix of \(\square _ b\)

zbMath0585.35054MaRDI QIDQ1071175

Chisato Iwasaki

Publication date: 1984

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

zbMATH Keywords

asymptotic behaviorfundamental solutionparametrixLevi formcharacteristic setprincipal symbolsubprincipal symboldegenerate parabolic system of pseudo-differential operators

Mathematics Subject Classification ID

Asymptotic behavior of solutions to PDEs (35B40) Pseudodifferential operators as generalizations of partial differential operators (35S05) Estimates of eigenvalues in context of PDEs (35P15) Fundamental solutions to PDEs (35A08) Degenerate parabolic equations (35K65)

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