Equivalence and invariants of second order linear partial differential equations in two variables under a change of variables

zbMath1012.12005MaRDI QIDQ1589132

U. D. Bekbaev

Publication date: 7 March 2001

Published in: Russian Mathematics (Search for Journal in Brave)

zbMATH Keywords

linear partial differential equationsdifferential invariantsfundamental invariantsdifferential transcendence degree 3field of invariant differential rational functions

Mathematics Subject Classification ID

Geometric theory, characteristics, transformations in context of PDEs (35A30) Abstract differential equations (12H20)

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