A class of pseudo-differential operators of logarithmic type and infinitely degenerate hypoelliptic operators

DOI10.1215/KJM/1250520485zbMath0688.35108OpenAlexW2115299032MaRDI QIDQ1263749

Takashi Ōkaji

Publication date: 1988

Published in: Journal of Mathematics of Kyoto University (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1215/kjm/1250520485

zbMATH Keywords

double characteristicsinfinitely degenerate

Mathematics Subject Classification ID

Numerical computation of solutions to systems of equations (65H10) Pseudodifferential operators as generalizations of partial differential operators (35S05) Fundamental solutions to PDEs (35A08) Second-order parabolic equations (35K10)

This page was built for publication: A class of pseudo-differential operators of logarithmic type and infinitely degenerate hypoelliptic operators