Results 1 to 10 of about 12,144 (227)

Upper Semicontinuity of Pullback Attractors for the 3D Nonautonomous Benjamin-Bona-Mahony Equations [PDF]

open access: goldThe Scientific World Journal, 2014
We will study the upper semicontinuity of pullback attractors for the 3D nonautonomouss Benjamin-Bona-Mahony equations with external force perturbation terms. Under some regular assumptions, we can prove the pullback attractors 𝒜ε(t) of equation ut-Δut-
Xinguang Yang   +3 more
doaj   +4 more sources

On the upper semicontinuity of the Wu metric [PDF]

open access: greenProceedings of the American Mathematical Society, 2004
We discuss continuity and upper semicontinuity of the Wu pseudometric.
Jarnicki, Marek, Pflug, Peter
  +8 more sources

Upper semicontinuity of the lamination hull [PDF]

open access: greenESAIM: Control, Optimisation and Calculus of Variations, 2018
Let  K ⊆ ℝ2×2 be a compact set, let Krc be its rank-one convex hull, and let L (K) be its lamination convex hull. It is shown that the mapping K ↦ L̅(K̅) is not upper semicontinuous on the diagonal matrices in ℝ2×2, which was a problem left by Kolář. This is followed by an example of a 5-point set of 2 × 2 symmetric matrices with non-compact lamination
Terence L. J. Harris   +1 more
openaire   +5 more sources

On upper semicontinuity of duality mappings [PDF]

open access: bronzeProceedings of the American Mathematical Society, 1994
We give new sufficient conditions for a Banach space to be an Asplund (or reflexive) space in terms of certain upper semicontinuity of the duality mapping.
Manuel D. Contreras, Rafael Payá
openaire   +4 more sources

On the upper semicontinuity of a quasiconcave functional [PDF]

open access: yesJournal of Functional Analysis, 2020
In the recent paper \cite{SER}, the second author proved a divergence-quasiconcavity inequality for the following functional $ \mathbb{D}(A)=\int_{\mathbb{T}^n} det(A(x))^{\frac{1}{n-1}}\,dx$ defined on the space of $p$-summable positive definite matrices with zero divergence. We prove that this implies the weak upper semicontinuity of the functional $\
De Rosa L., Serre D., Tione R.
openaire   +3 more sources

Upper semicontinuity of attractors for nonclassical diffusion equations with arbitrary polynomial growth

open access: yesAdvances in Difference Equations, 2021
In this paper, we mainly investigate upper semicontinuity and regularity of attractors for nonclassical diffusion equations with perturbed parameters ν and the nonlinear term f satisfying the polynomial growth of arbitrary order p − 1 $p-1$ ( p ≥ 2 $p ...
Yongqin Xie, Jun Li, Kaixuan Zhu
doaj   +1 more source

The stability of minimal solution sets for set optimization problems via improvement sets

open access: yesJournal of Inequalities and Applications, 2023
In this paper we investigate the stability of solution sets for set optimization problems via improvement sets. Some sufficient conditions for the upper semicontinuity, lower semicontinuity, and compactness of E-minimal solution mappings are given for ...
Taiyong Li, Yanhui Wei
doaj   +1 more source

Upper Semicontinuous Extensions of Binary Relations [PDF]

open access: yesSSRN Electronic Journal, 2002
Abstract Suzumura [Economica 43 (1976) 381] has shown that a binary relation has a weak order extension if and only if it is consistent. However, consistency is demonstrably not sufficient to extend an upper semicontinuous binary relation to an upper semicontinuous weak order.
Kotaro Suzumura   +3 more
openaire   +4 more sources

Semicontinuity and closedness of parametric generalized lexicographic quasiequilibrium problems

open access: yesJournal of Inequalities and Applications, 2016
This paper is mainly concerned with the upper semicontinuity, closedness, and the lower semicontinuity of the set-valued solution mapping for a parametric lexicographic equilibrium problem where both two constraint maps and the objective bifunction ...
Rabian Wangkeeree   +2 more
doaj   +1 more source

On structure of upper semicontinuity

open access: yesJournal of Mathematical Analysis and Applications, 1982
AbstractThe refinement of a Choquet theorem on (strong) upper semi-continuity and its relation to the Vainstein lemma are dealt with here. Relevance of subcontinuity is discussed. Consequently, an improvement of a characterization theorem of Dolecki and Rolewicz is achieved.
Szymon Dolecki, Alojzy Lechicki
openaire   +2 more sources

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