نتایج جستجو برای: prox regular functions

تعداد نتایج: 605810  

2017
Frédéric Bernicot Juliette Venel

— In this paper, we deal with sweeping processes on (possibly infinitedimensional) Riemannian Hilbert manifolds. We extend the useful notions (proximal normal cone, prox-regularity) already defined in the setting of a Hilbert space to the framework of such manifolds. Especially we introduce the concept of local prox-regularity of a closed subset in accordance with the geometrical features of th...

Journal: :ESAIM: Control, Optimisation and Calculus of Variations 2017

2004
D. AUSSEL

Prox-regularity of a set (Poliquin-Rockafellar-Thibault, 2000), or its global version, proximal smoothness (Clarke-Stern-Wolenski, 1995) plays an important role in variational analysis, not only because it is associated with some fundamental properties as the local continuous differentiability of the function dist (C; ·), or the local uniqueness of the projection mapping, but also because in th...

Journal: :Mathematical Programming 2020

Journal: :Journal of Differential Equations 2003

Journal: :Communications on Pure and Applied Analysis 2022

<p style='text-indent:20px;'>The aim of this paper is to study a wide class non-convex sweeping processes with moving constraint whose translation and deformation are represented by regulated functions, i. e., functions not necessarily bounded variation admitting one-sided limits at every point. Assuming that the time-dependent uniformly prox-regular has non-empty interior, we prove exist...

Journal: :Discrete and Continuous Dynamical Systems 2015

Journal: :Math. Program. 2016
Adrian S. Lewis Stephen J. Wright

We consider minimization of functions that are compositions of prox-regular functions with smooth vector functions. A wide variety of important optimization problems can be formulated in this way. We describe a subproblem constructed from a linearized approximation to the objective and a regularization term, investigating the properties of local solutions of this subproblem and showing that the...

Journal: :Set-valued and Variational Analysis 2021

In this paper, we provide in a general Hilbert space new characterizations of uniform prox-regularity involving outside but sufficiently close points considered sets. We show that the complement prox-regular set is nothing union closed balls with common radius. derive from given equivalent to semiconvexity property its distance function. Various estimates metric projection mapping are also esta...

Journal: :Journal of Optimization Theory and Applications 2022

This paper mainly studies the quadratic growth and strong metric subregularity of subdifferential a function that can be represented as sum twice differentiable in extended sense subdifferentially continuous, prox-regular, epi-differentiable function. For such function, which is not necessarily it shown growth, at local minimizer, positive definiteness subgradient graphical derivative stationar...

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