Dual jet geometrical objects of momenta in the time-dependent Hamilton   geometry
  The aim of this paper is to obtain on the dual 1-jet space J^{1*}(R;M) the main geometrical objects used in the dual jet geometry of time-dependent Hamiltonians. We talk about distinguished (d-) tensors, time-dependent semisprays, nonlinear connections and their mathematical connections. 
Mircea Neagu and Alexandru Oana
math.DG