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Wyszukujesz frazę "metric regularity" wg kryterium: Temat


Wyświetlanie 1-6 z 6
Tytuł:
On regularity estimates for mappings between embedded manifolds
Autorzy:
Ioffe, A.
Powiązania:
https://bibliotekanauki.pl/articles/970258.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
metric regularity
slope
locally coherent space
Opis:
We describe a class of metric spaces such that for set-valued mappings into such spaces it is possible to give a precise expression of regularity moduli in terms of slopes of DeGiorgi-Marino-Tosques. We also show that smooth manifolds in Banach spaces endowed with the induced metric belong to this class.
Źródło:
Control and Cybernetics; 2007, 36, 3; 659-668
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the strong metric subregularity in mathematical programming
Autorzy:
Osmolovskii, Nikolai P.
Veliov, Vladimir M.
Powiązania:
https://bibliotekanauki.pl/articles/2183475.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
optimization
mathematical programming
Karush-Kuhn-Tucker conditions
metric regularity
Opis:
This note presents sufficient conditions for the property of strong metric subregularity (SMSr) of the system of first order optimality conditions for a mathematical programming problem in a Banach space (the Karush-Kuhn-Tucker conditions). The constraints of the problem consist of equations in a Banach space setting and a finite number of inequalities. The conditions, under which SMSr is proven, assume that the data are twice continuously Fréchet differentiable, the strict Mangasarian-Fromovitz constraint qualification is satisfied, and the second-order sufficient optimality condition holds. The obtained result extends the one known for finite-dimensional problems. Although the applicability of the result is limited to the Banach space setting (due to the twice Fréchet differentiability assumptions and the finite number of inequality constraints), the paper can be valuable due to the self-contained exposition, and provides a ground for extensions. One possible extension was recently implemented in Osmolovskii and Veliov (2021).
Źródło:
Control and Cybernetics; 2021, 50, 4; 457--471
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metric regularity under approximations
Autorzy:
Dontchev, A. L.
Veliov, V. M.
Powiązania:
https://bibliotekanauki.pl/articles/970750.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
metric regularity
inexact iterative methods
Newton method
proximal point method
discrete approximation
optimal control
Opis:
In this paper we show that metric regularity and strong metric regularity of a set-valued mapping imply convergence of inexact iterative methods for solving a generalized equation associated with this mapping. To accomplish this, we first focus on the question how these properties are preserved under changes of the mapping and the reference point. As an application, we consider discrete approximations in optimal control.
Źródło:
Control and Cybernetics; 2009, 38, 4B; 1283-1303
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On robustness of the regularity property of maps
Autorzy:
Ioffe, A. D.
Powiązania:
https://bibliotekanauki.pl/articles/970517.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
prawidłowość metryczna
nachylenie
kryterium prawidłowości
metric regularity
openness at a linear rate
pseudo-Lipschitz (Aubin) property
regularity criterion
Opis:
The problem considered in the paper can be described as follows. We are given a continuous mapping from one metric space into another which is regular (in the sense of metric regularity or, equivalently, controllability at a linear rate) near a certain point. How small may be an additive perturbation of the mapping which destroys regularity? The paper contains a new proof of a recent theorem of Dontchev-Lewis-Rockafellar for linear perturbations of maps between finite-dimensional Banach spaces and an exact estimate for Lipschitz perturbations of maps between complete metric spaces.
Źródło:
Control and Cybernetics; 2003, 32, 3; 543-554
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On a nonlocal metric regularity of nonlinear operators
Autorzy:
Dmitruk, A. V.
Powiązania:
https://bibliotekanauki.pl/articles/970552.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
odwzorowanie nieliniowe
pokrycie jednostajne
sterowanie ślizgowe
słaba zbieżność
non-linear mapping
covering and metric regularity
Lyusternik iteration process
uniform covering
combined operator
sliding mode controls
weak-* convergence
Opis:
We consider some versions and generalizations of the classical Lyusternik theorem on the covering property (metric regularity) of nonlinear mappings, study some related properties, and propose nonlocal theorems of the given type, which then are used in the proof of a relaxation theorem for a nonlinear control system with sliding modes and terminal equality constraints.
Źródło:
Control and Cybernetics; 2005, 34, 3; 723-746
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A stable homotopy approach to horizontal linear complementarity problems
Autorzy:
Ralph, D.
Powiązania:
https://bibliotekanauki.pl/articles/206132.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
ciągłość pseudo-Lipschitza
metoda homotopii
rozwiązanie stałe
system kawałkami afiniczny
active set method
global metric regularity
homotopy method
horizontal linear complementarity problem
mathematical program with complementarity constraints
MPCC
MPCC-LICQ
MPEC
path following
piecewise affine system
pseudo-Lipschitz continuity
QPCC
stable solution
Opis:
We are interested in the solution of Horizontal Linear Complementarity Problems, HLCPs, that is complementarity problems with more variables than equations. Globally metrically regular HLCPs have nonempty solution sets that are stable with respect to "right-hand-side perturbations" of the data, hence are numerically attractive. The main purpose of the paper is to show how the stability on conditioning properties of globally metrically regular HLCPs are preserved by a homotopy framework for solving the HLCP that finds a "stable" direcaion at each iteration as a local minimizer of a strongly convex quadratic program with linear complementarity constraints, QPCC. Apart from intrinsic interest in numerical solution of HLCPs, this investigation has application in solving horizontal nonlinear complementarity problems and more broadly in the area of mathematical programs with complementarity constraints, MPCCs.
Źródło:
Control and Cybernetics; 2002, 31, 3; 575-599
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-6 z 6

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