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math-ph2020★ 8 cited
Quadratic integrals of a multi-scalar cosmological model
Sameerah Jamal
In the context of FRW spacetime with zero spatial curvature, we consider a multi-scalar tensor cosmology model under the pretext of obtaining quadratic conservation laws. We propos…
math-ph2019★ 11 cited
A Study of the Approximate Singular Lagrangian -- Conditional Noether Symmetries and First Integrals
Sameerah Jamal
The investigation of approximate symmetries of reparametrization invariant Lagrangians of n + 1 degrees of freedom and quadratic velocities is presented. We show that extra conditi…