On a criterion for hypoellipticity

DOI10.3792/pjaa.62.137zbMath0597.35020OpenAlexW2013931729MaRDI QIDQ1078751

Yoshinori Morimoto

Publication date: 1986

Published in: Proceedings of the Japan Academy. Series A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3792/pjaa.62.137

zbMATH Keywords

hypoellipticsecond order differential operator

Mathematics Subject Classification ID

Hypoelliptic equations (35H10)

Cites Work

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• On hypoelliptic operators with multiple characteristics of odd order
• Hypoellipticity for infinitely degenerate elliptic operators
• On the hypoellipticity for infinitely degenerate semi-elliptic operators
• Non-hypoellipticity for degenerate elliptic operators
• Propriete des iteres et ellipticite
• ON A CRITERION FOR HYPOELLIPTICITY