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The Mei symmetry of discrete difference sequence mechanical system with variable mass

Huang Xiao-Hong Zhang Xiao-Bo Shi Shen-Yang

The Mei symmetry of discrete difference sequence mechanical system with variable mass

Huang Xiao-Hong, Zhang Xiao-Bo, Shi Shen-Yang
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  • Abstract views:  3532
  • PDF Downloads:  1115
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  • Received Date:  05 October 2007
  • Accepted Date:  23 February 2008
  • Published Online:  20 October 2008

The Mei symmetry of discrete difference sequence mechanical system with variable mass

  • 1. (1)温州大学物理与电子信息学院,温州 325000; (2)浙江理工大学物理系,杭州 310018

Abstract: The Mei symmetry and conserved quantity of a discrete difference sequence mechanical system with variable mass are studied in this paper. The form invariance of difference sequence equations for the discrete system under infinitesimal transformation groups is defined as Mei symmetry and the criterion when conserved quantities may be obtained from Mei symmetries is also presented. An example is given to demonstrate the applications of the results.

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