Differential invariants of a class of Lagrangian systems with two degrees of freedom
Differential invariants of a class of Lagrangian systems with two degrees of freedom
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一类二自由度拉格朗日系统的微分不变量
DOI:
10.1016/j.jmaa.2013.08.015
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发表时间:
2014
影响因子:
1.3
通讯作者:
Tarkhanov
中科院分区:
文献类型:
--
作者:
Bagderina;Tarkhanov
We consider systems of Euler–Lagrange equations with two degrees of freedom and with Lagrangian being quadratic in velocities. For this class of equations the generic case of the equivalence problem is solved with respect to point transformations. Using Lieʼs infinitesimal method we construct a basis of differential invariants and invariant differentiation operators for such systems. We describe certain types of Lagrangian systems in terms of their invariants. The results are illustrated by several examples.
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DOI:
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发表时间:
1989
期刊:
影响因子:
--
作者:
L. Hsu;N. Kamran;P. Olver
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1999
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1987
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作者:
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1988
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C. Sophocleous