Regularly abstract convex functions with respect to the set of Lipschitz continuous concave functions
نویسندگان
چکیده
Given a set H of functions defined on X, á function f:X↦R¯ is called abstract H-convex if it the upper envelope its H-minorants, i.e. such minorants which belong to H; and f regularly maximal (with respect pointwise ordering) H-minorants. In paper we first present basic notions (regular) H-convexity for case when an functions. For this general sufficient condition based Zorn's lemma be formulated. The goal study particular class functions, LCˆ(X,R) real-valued Lipschitz continuous classically concave real normed space X. extended-real-valued LCˆ-convex necessary that lower semicontinuous bounded from below by function; moreover, each as well. We focus LCˆ-subdifferentiability at given point. prove points LCˆ-subdifferentiable dense in effective domain. This result extends well-known classical Brøndsted-Rockafellar theorem existence subdifferential convex more wide Using subset LCˆθ LCˆ consisting vanish origin introduce LCˆθ-subgradient LCˆθ-subdifferential point generalize corresponding analysis. Some properties simple calculus rules LCˆθ-subdifferentials well conditions global extremum are established. Symmetric LCˇ-concavity LCˇ-superdifferentiability where LCˇ:=LCˇ(X,R) also considered.
منابع مشابه
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ژورنال
عنوان ژورنال: Optimization
سال: 2022
ISSN: ['0974-0988']
DOI: https://doi.org/10.1080/02331934.2022.2145173