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检索条件"主题词=discrete conserved quantity"
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Noether symmetry and Lie symmetry of discrete holonomic systems with dependent coordinates
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Chinese Physics B 2008年 第5期17卷 1554-1559页
作者: 施沈阳 黄晓虹 Department of Physics Zhejiang Sci-Tech University School of Physics and Electronic Information Wenzhou University
The Noether symmetry, the Lie symmetry and the conserved quantity of discrete holonomic systems with dependent coordinates are investigated in this paper. The Noether symmetry provides a discrete Noether identity and ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
The Lie symmetries and Noether conserved quantities of discrete non-conservative mechanical systems
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Chinese Physics B 2008年 第2期17卷 385-389页
作者: 施沈阳 傅景礼 陈立群 Shanghai Institute of Applied Mathematics and Mechanics Shanghai University Department of Physics Zhejiang Sci-Tech University
This paper investigates the Lie symmetries and Noether conserved quantities of discrete non-conservative mechanical systems. The variational principle of discrete mechanics, from which discrete motion equations of sys... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Mei Symmetry of General discrete Holonomic System
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Communications in Theoretical Physics 2008年 第9期50卷 607-610页
作者: SHI Shen-Yang CHEN Li-Qun FU Jing-Li Department of Physics Zhejiang Sci-Tech University Hangzhou 310018 China Shanghai Institute of Applied Mathematics and Mechanics Shanghai University Shanghai 200072 China
The Mei symmetry and conserved quantity of general discrete holonomic system are investigated in *** requirement for an invariant formalism of discrete motion equations is defined to be Mei *** when a conserved quanti... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论