• C Uma Maheswari

      Articles written in Pramana – Journal of Physics

    • Analytic methods to generate integrable mappings

      C Uma Maheswari R Sahadevan

      More Details Abstract Fulltext PDF

      Systematic analytic methods of deriving integrable mappings from integrable nonlinear ordinary differential, differential-difference and lattice equations are presented. More specifically, we explain how to derive integrable mappings through four different techniques namely,

      dis-cretization technique,

      Lax pair approach,

      periodic reduction of integrable nonlinear partial difference equations and

      construction of sufficient number of integrals of motion.

      The applicability of methods have been illustrated through Ricatti equation, a scalar second-order nonlinear ordinary differential equation with cubic nonlinearity, 2- and 3-coupled second-order nonlinear ordinary differential equations with cubic nonlinearity, lattice equations of Korteweg–de Vries, modified Korteweg–deVries and sine-Gordon types.

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