Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2008-05-19
Nonlinear Sciences
Exactly Solvable and Integrable Systems
14 pages, 2 figures
Scientific paper
10.1088/1751-8113/41/33/332005
By imposing special compatible similarity constraints on a class of integrable partial $q$-difference equations of KdV-type we derive a hierarchy of second-degree ordinary $q$-difference equations. The lowest (non-trivial) member of this hierarchy is a second-order second-degree equation which can be considered as an analogue of equations in the class studied by Chazy. We present corresponding isomonodromic deformation problems and discuss the relation between this class of difference equations and other equations of Painleve type.
Field Chris M.
Joshi Nalini
Nijhoff Frank W.
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