Results 71 to 80 of about 465 (165)

Time‐inconsistent contract theory

open access: yesMathematical Finance, Volume 34, Issue 3, Page 1022-1085, July 2024.
Abstract This paper investigates the moral hazard problem in finite horizon with both continuous and lump‐sum payments, involving a time‐inconsistent sophisticated agent and a standard utility maximizer principal: Building upon the so‐called dynamic programming approach in Cvitanić et al.
Camilo Hernández, Dylan Possamaï
wiley   +1 more source

Participation in organised sport to improve and prevent adverse developmental trajectories of at‐risk youth: A systematic review

open access: yesCampbell Systematic Reviews, Volume 20, Issue 1, March 2024.
Abstract Background Healthy after‐school activities such as participation in organised sport have been shown to serve as important resources for reducing school failure and other problem/high‐risk behaviour. It remains to be established to what extent organised sport participation has positive impacts on young people in unstable life circumstances ...
Trine Filges   +3 more
wiley   +1 more source

Ekeland‟s variational principle in preordered quasi-metric spaces

open access: yes, 2023
„„Ön sıralı quasi-metrik uzaylarda Ekeland?ın varyasyonel prensipi?? başlıklı altı bölümden oluşan bu çalışmada Cobzaş (2019, 2022)?ın ön sıralı quasi-metrik uzaylar üzerinde vermiş olduğu Ekeland, Takahashi ve Caristi prensipleri ile ilgili sonuçlar ...
Xhyrxhehallo, Egzon
core  

Non‐autonomous double phase eigenvalue problems with indefinite weight and lack of compactness

open access: yesBulletin of the London Mathematical Society, Volume 56, Issue 2, Page 734-755, February 2024.
Abstract In this paper, we consider eigenvalues to the following double phase problem with unbalanced growth and indefinite weight, −Δpau−Δqu=λm(x)|u|q−2uinRN,$$\begin{equation*} \hspace*{3pc}-\Delta _p^a u-\Delta _q u =\lambda m(x)|u|^{q-2}u \quad \mbox{in} \,\, \mathbb {R}^N, \end{equation*}$$where N⩾2$N \geqslant 2$, 1
Tianxiang Gou, Vicenţiu D. Rădulescu
wiley   +1 more source

p-fractional Hardy–Schrödinger–Kirchhoff systems with critical nonlinearities

open access: yesAdvances in Nonlinear Analysis, 2018
This paper deals with the existence of nontrivial solutions for critical Hardy–Schrödinger–Kirchhoff systems driven by the fractional p-Laplacian operator.
Fiscella Alessio   +2 more
doaj   +1 more source

The Ekeland variational principle for set-valued maps involving coderivatives

open access: yes, 2003
In this paper we use the Fréchet, Clarke, and Mordukhovich coderivatives to obtain variants of the Ekeland variational principle for a set-valued map F and establish optimality conditions for set-valued optimization problems.
Ha, Truong Xuan Duc
core   +1 more source

One remark to Ekeland's variational principle

open access: yesComputers & Mathematics with Applications, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Arutyunov, A., Bobylev, N., Korovin, S.
openaire   +1 more source

Potential and monotone homeomorphisms in Banach spaces

open access: yesAdvances in Nonlinear Analysis
Using the Ekeland variational principle and the mountain pass lemma we prove some properties about potential homeomorphisms between a real Banach space and its dual.
Bełdziński Michał, Galewski Marek
doaj   +1 more source

Variational Approaches to Characterize Weak Solutions for Some Problems of Mathematical Physics Equations

open access: yesAbstract and Applied Analysis, 2016
This paper is aimed at providing three versions to solve and characterize weak solutions for Dirichlet problems involving the p-Laplacian and the p-pseudo-Laplacian.
Irina Meghea
doaj   +1 more source

Existence and multiplicity of solutions for nonlocal fourth-order elliptic equations with combined nonlinearities

open access: yesBoundary Value Problems, 2020
This paper is concerned with the following nonlocal fourth-order elliptic problem: { Δ 2 u − m ( ∫ Ω | ∇ u | 2 d x ) Δ u = a ( x ) | u | s − 2 u + f ( x , u ) , x ∈ Ω , u = Δ u = 0 , x ∈ ∂ Ω , $$\begin{aligned} \textstyle\begin{cases} \Delta ^{2}u-m(\int
Ru Yuanfang, An Yukun
doaj   +1 more source

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