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Artículo
Approximation of Lipschitz functions by Δ-convex functions in banach spaces
(Springer, 1998-12)
In this paper we give some results about the approximation of a Lipschitz function on a Banach space by means of ∆-convex functions. In particular, we prove that the density of ∆-convex functions in the set of Lipschitz ...