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- ItemSubdifferential characterization of probability functions under Gaussian distribution(Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2018) Hantoute, Abderrahim; Henrion, René; Pérez-Aros, PedroProbability functions figure prominently in optimization problems of engineering. They may be nonsmooth even if all input data are smooth. This fact motivates the consideration of subdifferentials for such typically just continuous functions. The aim of this paper is to provide subdifferential formulae of such functions in the case of Gaussian distributions for possibly infinite-dimensional decision variables and nonsmooth (locally Lipschitzian) input data. These formulae are based on the spheric-radial decomposition of Gaussian random vectors on the one hand and on a cone of directions of moderate growth on the other. By successively adding additional hypotheses, conditions are satisfied under which the probability function is locally Lipschitzian or even differentiable.