
The existence of periodic orbits of the discretization of second-order variational systems is studied both for varying step of discretization and for a fixed small one.
Local and nonlocal bifurcation theory for dynamical systems, gradient system, periodic orbit, invariant circles, asymptotically linear map, Topological dynamics, Variational principles in infinite-dimensional spaces, variational problem
Local and nonlocal bifurcation theory for dynamical systems, gradient system, periodic orbit, invariant circles, asymptotically linear map, Topological dynamics, Variational principles in infinite-dimensional spaces, variational problem
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