• HYUNSOO KIM

      Articles written in Pramana – Journal of Physics

    • New travelling wave solutions for nonlinear stochastic evolution equations

      Hyunsoo Kim Rathinasamy Sakthivel

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      The nonlinear stochastic evolution equations have a wide range of applications in physics, chemistry, biology, economics and finance from various points of view. In this paper, the $(G'/G)$-expansion method is implemented for obtaining new travelling wave solutions of the nonlinear (2 + 1)-dimensional stochastic Broer–Kaup equation and stochastic coupled Korteweg–de Vries (KdV) equation. The study highlights the significant features of the method employed and its capability of handling nonlinear stochastic problems.

    • Periodic solutions ofWick-type stochastic Korteweg–de Vries equations

      JIN HYUK CHOI DAEHO LEE HYUNSOO KIM

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      Nonlinear stochastic partial differential equations have a wide range of applications in science and engineering. Finding exact solutions of the Wick-type stochastic equation will be helpful in the theories and numerical studies of such equations. In this paper, Kudrayshov method together with Hermite transform isimplemented to obtain exact solutions of Wick-type stochastic Korteweg–de Vries equation. Further, graphical illustrations in two- and three-dimensional plots of the obtained solutions depending on time and space are also given with white noise functionals.

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