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math-ph2022
Null Lagrangians and Gauge Functions in Dynamical Systems: Forces and Nonlinearities
L. C. Vestal, Z. E. Musielak
Among different Lagrangians, null Lagrangians are known for having identically zero the Euler-Lagrange equation and, therefore, they have no effects on the resulting equations of m…
math-ph2022★ 9 cited
Nonstandard Null Lagrangians and Gauge Functions and Dissipative Forces in Dynamics
A. L. Segovia, L. C. Vestal, Z. E. Musielak
Standard and non-standard Lagrangians that give the same equation of motion are significantly different in their forms, as the latter do not have terms that clearly discernable ene…