نتایج جستجو برای: clarke subdifferential

تعداد نتایج: 4400  

2016
Cecil Clarke Leslie M. Clarke

Cecil Clarke was born in Bristol in 1885, the son 01 Leslie M. Clarke. After an education at the Warn1111 Grammar School he joined the Bristol Medical Schoolclinical appointments were done at the General H?bj There he gained the Henry Marshall Prize, the Clarke / lllkg( Scholarship, and the Martyn Memorial Scholarship 111 caIne and the Sanders Scholarship in 1909. In 1908 he > rSjty qualified, ...

Journal: :SIAM Journal on Optimization 2014
Lei Guo Gui-Hua Lin Jane J. Ye Jin Zhang

In this paper, we perform sensitivity analysis of the value function for parametric mathematical programs with equilibrium constraints (MPEC). We show that the value function is directionally differentiable in every direction under the MPEC relaxed constant rank regularity condition, the MPEC no nonzero abnormal multiplier constraint qualification, and the restricted inf-compactness condition. ...

2015
Zhaosong Lu Yong Zhang

In this paper we study general Schatten-p quasi-norm (SPQN) regularized matrix minimization problems. In particular, we first introduce a class of first-order stationary points for them, and show that the first-order stationary points introduced in [11] for an SPQN regularized vector minimization problem are equivalent to those of an SPQN regularized matrix minimization reformulation. We also s...

2014
Nguyen Thi Toan

This paper is devoted to the study the first-order behavior of the value function of a parametric optimal control problem with linear constraints and a nonconvex cost function. By establishing an abstract result on the Mordukhovich subdifferential of the value function of a parametric mathematical programming problem, we derive a formula for computing the Mordukhovich subdifferential of the val...

Journal: :Math. Program. 2003
Adrian S. Lewis

Optimization problems involving the eigenvalues of symmetric and nonsymmetric matrices present a fascinating mathematical challenge. Such problems arise often in theory and practice, particularly in engineering design, and are amenable to a rich blend of classical mathematical techniques and contemporary optimization theory. This essay presents a personal choice of some central mathematical ide...

1997
Rene Henrion Helene Frankowska RENE HENRION

The approximate subdifferential introduced by Mordukhovich has attracted much attention in recent works on nonsmooth optimization. Potential advantages over other concepts of subdifferentiability might be related to its nonconvexity. This is motivation to study some topological properties more in detail. As the main result, it is shown that any weakly compact subset of any Hilbert space may be ...

2017
Shuai Liu Claudia Sagastizábal Mikhail Solodov

We review the concept of VU-decomposition of nonsmooth convex functions, which is closely related to the notion of partly smooth functions. As VU-decomposition depends on the subdifferential at the given point, the associated objects lack suitable continuity properties (because the subdifferential lacks them), which poses an additional challenge to the already difficult task of constructing sup...

Journal: :Math. Program. 2005
James V. Burke Adrian S. Lewis Michael L. Overton

The Gauss-Lucas Theorem on the roots of polynomials nicely simplifies the computation of the subderivative and regular subdifferential of the abscissa mapping on polynomials (the maximum of the real parts of the roots). This paper extends this approach to more general functions of the roots. By combining the Gauss-Lucas methodology with an analysis of the splitting behavior of the roots, we obt...

Journal: :Math. Program. 2012
Anna von Heusinger Christian Kanzow Masao Fukushima

We consider the generalized Nash equilibrium problem (GNEP), where not only the players’ cost functions but also their strategy spaces depend on the rivals’ decision variables. Existence results for GNEPs are typically shown by using a fixed point argument for a certain set-valued function. Here we use a regularization of this set-valued function in order to obtain a single-valued function that...

2009
N. K. Ribarska M. I. Krastanov R. Lucchetti

The definition of the weak slope of continuous functions introduced by Degiovanni and Marzocchi (cf. [8]) and its interrelation with the notion “steepness” of locally Lipschitz functions are discussed. A deformation lemma and a mountain pass theorem for usco mappings are proved. The relation between these results and the respective ones for lower semicontinuous functions (cf. [7]) is considered...

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