Two forms of the discrete equations and the Noether theorems for nonautonomous Birkhoffian systems

Two different ways of constructing the discrete equations and the corresponding physical laws of continuous Birkhoffian systems are respectively proposed in this paper. The corresponding mathematical methods and geometric structures are formulated and compared. The determining equations of the Noeth...

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Veröffentlicht in:	Analysis and mathematical physics 2021-12, Vol.11 (4), Article 159
Hauptverfasser:	Xia, Lili, Ge, Xinsheng, Chen, Liqun
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Analysis Difference equations Mathematical analysis Mathematical Methods in Physics Mathematics Mathematics and Statistics Runge-Kutta method
Online-Zugang:	Volltext
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