| Lie Symmetry Groups of （2＋1）-Dimensional BKP Equation and Its New Solutions |
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| 作者姓名： | MA Hong-Cai, LOU Sen-Yue, DENG Ai-Ping |
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| 作者单位： | [1]Department of Mathematics, Donghua University, Shanghai 200051, China; [2]Department of Physics, Shanghai Jiao Tong University, Shanghai 200030, China; [3]Center of Nonlinear Science, Ningbo University, Ningbo 315211, China |
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| 基金项目： | The project supported by National Natural Science Foundation of China under Grant Nos. 90203001, 90503006, 0475055, and 10647112 and the Foundation of Donghua University Acknowledgment The author is in debt to thank the helpful discussions with Drs. X.Y. Tang and X.Q. Wu. |
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| 摘 要： | A modified direct method is developed to find finite symmetry groups of nonlinear mathematical physics systems. Applying the modified direct method to the well-known （2＋1）-dimensional B KP equation we get its symmetry. Furthermore, the exact solutions of （2＋1）-dimensional BKP equation are obtained through symmetry analysis.
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| 关 键 词： | 对称项目 BKP方程式 正确度 求解方法 |
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