The(1+1)-dimensional higher-order Broer–Kaup(HBK) system is studied by consistent tanh expansion(CTE) method in this paper. It is proved that the HBK system is CTE solvable, and some exact interaction solutions among...The(1+1)-dimensional higher-order Broer–Kaup(HBK) system is studied by consistent tanh expansion(CTE) method in this paper. It is proved that the HBK system is CTE solvable, and some exact interaction solutions among different nonlinear excitations such as solitons, rational waves, periodic waves, corresponding images are explicitly given.展开更多
The nonlocal symmetry is derived for an equation combining the modified Calogero–Bogoyavlenskii–Schiff equation with its negative-order form from the truncated Painlevéexpansion method.The nonlocal symmetries a...The nonlocal symmetry is derived for an equation combining the modified Calogero–Bogoyavlenskii–Schiff equation with its negative-order form from the truncated Painlevéexpansion method.The nonlocal symmetries are localized to the Lie point symmetry by introducing new auxiliary dependent variables.The finite symmetry transformation and the Lie point symmetry for the prolonged system are solved directly.Many new interaction solutions among soliton and other types of interaction solutions for the modified Calogero–Bogoyavlenskii–Schiff equation with its negative-order form can be obtained from the consistent condition of the consistent tanh expansion method by selecting the proper arbitrary constants.展开更多
基金Supported by National Natural Science Foundation of China under Grant Nos.11505090,11171041,11405103,11447220Research Award Foundation for Outstanding Young Scientists of Shandong Province under Grant No.BS2015SF009
文摘The(1+1)-dimensional higher-order Broer–Kaup(HBK) system is studied by consistent tanh expansion(CTE) method in this paper. It is proved that the HBK system is CTE solvable, and some exact interaction solutions among different nonlinear excitations such as solitons, rational waves, periodic waves, corresponding images are explicitly given.
基金supported by National Natural Science Foundation of China(No.11471215)Shanghai Natural Science Foundation(No.18ZR142600)。
文摘The nonlocal symmetry is derived for an equation combining the modified Calogero–Bogoyavlenskii–Schiff equation with its negative-order form from the truncated Painlevéexpansion method.The nonlocal symmetries are localized to the Lie point symmetry by introducing new auxiliary dependent variables.The finite symmetry transformation and the Lie point symmetry for the prolonged system are solved directly.Many new interaction solutions among soliton and other types of interaction solutions for the modified Calogero–Bogoyavlenskii–Schiff equation with its negative-order form can be obtained from the consistent condition of the consistent tanh expansion method by selecting the proper arbitrary constants.
