J. Korean Math. Soc. 2003; 40(3): 517-561
Printed May 1, 2003
Copyright © The Korean Mathematical Society.
Herve Gaussier and Joel Merker
CNRS, Universit´e de Provence
We establish a link between the study of completely integrable systems of partial differential equations and the study of generic submanifolds in $\mathbb C^n$. Using the recent developments of Cauchy-Riemann geometry we provide the set of symmetries of such a system with a Lie group structure. Finally we determine the precise upper bound of the dimension of this Lie group for some specific systems of partial differential equations.
Keywords: Lie symmetry, completely integrable system, prologation, CR geometry, local holomorphic automorphism
MSC numbers: Primary 32V40, 34C14; Secondary 32V25, 32H02, 32H40, 32V10
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