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We examine new second-order necessary conditions and sufficient conditions which characterize nondominated solutions of a generalized constrained multiobjective programming problem. The vector-valued criterion function as well as constraint functions are supposed to be from the class . Second-order optimality conditions for local Pareto solutions are derived as a special case.
We analyse the sensitivity of the solution of a nonlinear obstacle plate problem, with respect to small perturbations of the middle plane of the plate. This analysis, which generalizes the results of [9, 10] for the linear case, is done by application of an abstract variational result [6], where the sensitivity of parameterized variational inequalities in Banach spaces, without uniqueness of solution, is quantified in terms of a generalized derivative, that is the proto-derivative. We prove that...
We analyse the sensitivity of the solution of a nonlinear obstacle plate
problem, with respect to small perturbations of the middle plane
of the plate. This analysis, which generalizes the results of [9,10]
for the linear case,
is done by application of an abstract variational
result [6], where the sensitivity of parameterized variational
inequalities in Banach spaces, without uniqueness of solution,
is quantified in terms of a generalized
derivative, that is the proto-derivative. We prove that...
Separation is a famous principle and separation properties are important for optimization theory and various applications. In practice, input data are rarely known exactly and it is advisable to deal with parameters. In this article, we are concerned with the basic characteristics (existence, description, stability etc.) of separating hyperplanes of two convex polyhedral sets depending on parameters. We study the case, when parameters are situated in one column of the constraint matrix from the...
Il est démontré par Mentagui [ESAIM : COCV 9 (2003) 297-315] que, dans le cas des espaces de Banach généraux, la convergence d’Attouch-Wets est stable par une classe d’opérations classiques de l’analyse convexe, lorsque les limites des suites d’ensembles et de fonctions satisfont certaines conditions de qualification naturelles. Ceci tombe en défaut avec la slice convergence. Dans cet article, nous établissons des conditions de qualification uniformes assurant la stabilité de la slice convergence...
Il est démontré par Mentagui [ESAIM: COCV9 (2003) 297-315] que,
dans le cas des espaces de Banach généraux, la convergence
d'Attouch-Wets est stable par une classe d'opérations classiques de
l'analyse convexe, lorsque les limites des suites d'ensembles et de
fonctions satisfont certaines conditions de qualification naturelles. Ceci
tombe en défaut avec la slice convergence. Dans cet article, nous
établissons des conditions de qualification uniformes assurant la
stabilité de la slice convergence...
Properties of (max,+)-linear and (min,+)-linear equation systems are used to study solvability of the systems. Solvability conditions of the systems are investigated. Both one-sided and two-sided systems are studied. Solvability of one class of (max,+)-nonlinear problems will be investigated. Small numerical examples illustrate the theoretical results.
In this work we study the nonlinear complementarity problem on the
nonnegative orthant. This is done by approximating its equivalent
variational-inequality-formulation by a sequence of variational
inequalities with nested compact domains. This approach yields
simultaneously existence, sensitivity, and stability results. By
introducing new classes of functions and a suitable metric for
performing the approximation, we provide bounds for the asymptotic
set of the solution set and coercive existence...
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