2) Lie symmetry
Lie对称性
1.
Form invariance and Lie symmetry of relative motion dynamics systems;
相对运动动力学系统的形式不变性与Lie对称性
2.
Mei symmetry,Noether symmetry and Lie symmetry of an Emden system;
Emden方程的Mei对称性、Lie对称性和Noether对称性
3.
Lie symmetry and non-Noether conserved quantities of variable mass Birkhoffian system;
变质量Birkhoff系统的Lie对称性和非Noether守恒量
3) Lie Symmetries
Lie对称
1.
Lie Symmetries and Conserved Quantities of Lagrange─Maxwell Mechanical Systems;
Lagrange-Maxwell方程的Lie对称与守恒量
2.
By using the invariance of the differential equations under the infinitesimal transformations, the determining equations of the Lie symmetries of relativistic rotational variable mass system are built, and the structure equation and the conserved quantities of the Lie symmetries are obtained.
利用运动微分方程在无限小变换下的不变性 ,建立相对论性转动变质量系统的Lie对称确定方程 ,得到结构方程和守恒量 。
3.
In this paper, Lie symmetries and conserved quantities of generalized mechanical systems in terms of quasi\|coordinates were studied.
研究准坐标下广义力学系统的Lie对称性与守恒量 。
4) Lie symmetry
Lie对称
1.
A new conservation theorem is studied, the conserved quantity is only constructed in terms of the infinitesimal generators τ(t,[WTHX]q,q DD (-*3/4 KG*2 HT6 · DD)][HT][WTBZ]) and ξ_s(t,[WTHX]q,q DD (-*3/4 KG*2 HT6 · DD)][HT][WTBZ]) of Lie symmetry of the dynamical equa tions.
研究利用Lie对称的生成元τ(t,q,q·)和ξs(t,q,q·)来构造广义Hojman守恒量,并讨论三种特殊情况,研究表明Hojman守恒量是该广义守恒量的特例,且在Lie对称的生成元的形式为τ(t,q)和ξs(t,q)时,该广义Hojman守恒量可以导出Lutzky守恒量,此外,还给出一个排除平凡守恒量的条件。
5) Lie Point Symmetry
Lie点对称
6) Lie symmetry group
Lie对称群
补充资料:Schwarz对称定理
Schwarz对称定理
Sdiwarz symmetry theorem.
Sdl帕口对称定理【Sdl们吃叮功服勿翻妞印1;m.aP职leopeMac,MMe印““〕 如果一个极小曲面(mil五11祖su雌玉ee)经过一条直线l,则I是它的一条对称轴.该定理蕴含着:如果一个极小曲面的边界含有一段直线l,则该曲面能够越过这段直线作关于l对称的延拓. HX.Ca6”1℃B撰陈维桓译
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条