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《Transactions of Beijing Institute of Technology》 2006-04
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Weakly Noether Symmetry of a Lagrange System

MEI Feng-xiang,SHUI Xiao-ping (School of Science,Beijing Institute of Technology,Beijing 100081,China)  
A kind of symmetries,i.e.a weakly Noether symmetry for a Lagrange system is presented.The criterion of the weakly Noether symmetry of the system is given and a Noether conserved quantity can be deduced using the symmetry.The weakly Noether symmetry finds more applications than the Noether symmetry.
【Fund】: 国家自然科学基金资助项目(10572021);; 高等学校博士学科点专项基金资助项目(20040007022)
【CateGory Index】: O316
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