On the theorem of Hamada for a linear second order equation with variable multiplicities

DOI10.1215/kjm/1250522473zbMath0413.35006OpenAlexW1590977204MaRDI QIDQ1260524

Jiichiroh Urabe

Publication date: 1979

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

Full work available at URL: https://doi.org/10.1215/kjm/1250522473

zbMATH Keywords

holomorphic coefficientsnon-characteristic Cauchy problemmeromorphic datacharacteristic surfacesEuler-Poisson equationTricomi operatormonodromy theory of hypergeometric functionstheorem of Hamada

Mathematics Subject Classification ID

Analyticity in context of PDEs (35A20) Geometric theory, characteristics, transformations in context of PDEs (35A30) Partial differential equations of mixed type and mixed-type systems of partial differential equations (35M99)

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