Hypoellipticity of systems of pseudo differential operators with double characteristics

DOI10.21099/TKBJM/1496161166zbMath0702.35062OpenAlexW288015055MaRDI QIDQ914957

Kil Hyun Kwon

Publication date: 1989

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

Full work available at URL: https://doi.org/10.21099/tkbjm/1496161166

zbMATH Keywords

homogeneityhypoellipticitysystem of pseudo-differential operators

Mathematics Subject Classification ID

Pseudodifferential operators as generalizations of partial differential operators (35S05) Hypoelliptic equations (35H10)

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Structure of cohomology groups whose coefficients are microfunction solution sheaves of systems of pseudo-differential equations withmultiple characteristics, I

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