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A series of non-Noether conservative quantities and Mei symmetries of nonconservative systems 期刊论文
CHINESE PHYSICS, 2007, 卷号: 16, 期号: 3, 页码: 599-604
作者:  Liu Hong-Ji;  Fu Jing-Li;  Tang Yi-Fa
收藏  |  浏览/下载:79/0  |  提交时间:2018/07/30
Mei symmetry  non-Noether conservative quantity  Lutzky conservative quantity  nonconservative system  
Discrete variational principle and first integrals for Lagrange-Maxwell mechanico-electrical systems 期刊论文
CHINESE PHYSICS, 2007, 卷号: 16, 期号: 3, 页码: 570-577
作者:  Fu Jing-Li;  Dai Gui-Dong;  Jimenez, Salvador;  Tang Yi-Fa
收藏  |  浏览/下载:100/0  |  提交时间:2018/07/30
discrete  variational principle  first integral  mechanico-electrical systems