Remarks on hyperbolic polynomials

DOI10.21099/tkbjm/1496160384zbMath0612.35005OpenAlexW2130770926MaRDI QIDQ1088053

Seiichiro Wakabayashi

Publication date: 1986

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

Full work available at URL: https://doi.org/10.21099/tkbjm/1496160384

zbMATH Keywords

polynomialsymbolshyperbolic partial differential equationsinner semi-continuity of the cones

Mathematics Subject Classification ID

Geometric theory, characteristics, transformations in context of PDEs (35A30)

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