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In recent years there has been great interest in variational analysis of aclass of nonsmooth functions called the minimal time function. In this paper wecontinue this line of research by providing new results on generalizeddifferentiation of this class of functions, relaxing assumptions imposed on thefunctions and sets involved for the results. In particular, we focus on thesingular subdifferential and the limiting subdifferential of this class offunctions.

Subgradients of Minimal Time Functions without Calmness