Torre, Davide La; Rocca, Matteo - Dipartimento di Economia, Management e Metodi … - 2002
In this work we provide a characterization of C1,1 functions on Rn (that is,diferentiable with locally Lipschitz partial derivatives) by means of second directional divided differences. In particular, we prove that the class of C1,1 functions is equivalent to the class of functions with bounded...