The Painlevé property for partial differential equations. II: Bäcklund transformation, Lax pairs, and the Schwarzian derivative
- 1 June 1983
- journal article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 24 (6) , 1405-1413
- https://doi.org/10.1063/1.525875
Abstract
In this paper we investigate the Painlevé property for partial differential equations. By application to several well‐known partial differential equations (Burgers, KdV, MKdV, Bousinesq, higher‐order KdV and KP equations) it is shown that consideration of the ‘‘singular manifold’’ leads to a formulation of these equations in terms of the ‘‘Schwarzian derivative.’’ This formulation is invariant under the Moebius group (acting on dependent variables) and is shown to obtain the appropriate Lax pair (linearization) for the underlying nonlinear pde.Keywords
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