• Shuangquan Wen

      Articles written in Pramana – Journal of Physics

    • Double compactons in the Olver–Rosenau equation

      Aiyong Chen Shuangquan Wen

      More Details Abstract Fulltext PDF

      It is showed that the fully nonlinear evolution equations of Olver and Rosenau can be reduced to Hamiltonian form by transformation of variables. The resulting Hamiltonian equations are treated by the dynamical systems theory and a phase-space analysis of their singular points is presented. The results of this study demonstrate that the equations can support double compactons. The new Olver–Rosenau compactons are different from the well-known Rosenau–Hyman compacton and Cooper–Shepard–Sodano compacton, because they are induced by a singular elliptic instead of singular straight line on phase-space.

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