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math.FA2022
Nonlinear Cone Separation Theorems in Real Topological Linear Spaces
Christian Günther, Bahareh Khazayel, Christiane Tammer
The separation of two sets (or more specific of two cones) plays an important role in different fields of mathematics such as variational analysis, convex analysis, convex geometry…
math.FA2021
On Clarke's Subdifferential of Marginal Functions
Gemayqzel Bouza, Ernest Quintana, Christiane Tammer
In this short note, we derive an upper estimate of Clarke's subdifferential of marginal functions in Banach spaces. The structure of the upper estimate is very similar to other res…