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Nonlocal symmetry, optimal systems, and explicit solutions of the mKdV equation
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 时间：0
  • 分类：O[理学]
  • 作者机构：[1]Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai 200062, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Grant Nos. 11075055 and 11275072）, the Innovative Research Team Program of the National Natural Science Foundation of China （Grant No. 61021004）, the National High Technology Research and Development Program of China （Grant No. 2011AA010101 ）, and the Shanghai Knowledge Service Platform for Trustworthy Internet of Things, China （Grant No. ZF1213）.
作者： 辛祥鹏[1], 苗倩[1], 陈勇[1]
关键词： NONLOCAL, symmetry, , OPTIMAL, system, , PROLONGED, system, , EXPLICIT, solutions
中文摘要：

The nonlocal symmetry of the mKdV equation is obtained from the known Lax pair; it is successfully localized to Lie point symmetries in the enlarged space by introducing suitable auxiliary dependent variables. For the closed prolongation of the nonlocal symmetry, the details of the construction for a one-dimensional optimal system are presented. Furthermore, using the associated vector fields of the obtained symmetry, we give the reductions by the one-dimensional sub-algebras and the explicit analytic interaction solutions between cnoidal waves and kink solitary waves, which provide a way to study the interactions among these types of ocean waves. For some of the interesting solutions, the figures are given to show their properties.

英文摘要：

The nonlocal symmetry of the mKdV equation is obtained from the known Lax pair; it is successfully localized to Lie point symmetries in the enlarged space by introducing suitable auxiliary dependent variables. For the closed prolongation of the nonlocal symmetry, the details of the construction for a one-dimensional optimal system are presented. Furthermore, using the associated vector fields of the obtained symmetry, we give the reductions by the one-dimensional sub-algebras and the explicit analytic interaction solutions between cnoidal waves and kink solitary waves, which provide a way to study the interactions among these types of ocean waves. For some of the interesting solutions, the figures are given to show their properties.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:406