2 papers
math.DG2013
Riemannian geodesics of semi Riemannian warped metrics
Oriella M. Amici, Biagio C. Casciaro
Let and be two --differentiable connected, complete Riemannian manifolds, a --differentiable function, having $0<k_0…
math-ph2006
On the Variational Characterisation of Generalized Jacobi Equations
Biagio Casciaro, Mauro Francaviglia, Victor Tapia
We study higher--order variational derivatives of a generic second--order Lagrangian and in this context we discuss the Jacobi equati…