Starshaped sets

G Hansen, I Herburt, H Martini, M Moszyńska - Aequationes mathematicae, 2020 - Springer
This is an expository paper about the fundamental mathematical notion of starshapedness,
emphasizing the geometric, analytical, combinatorial, and topological properties of …

Sufficient conditions to compute any solution of a quasivariational inequality via a variational inequality

D Aussel, S Sagratella - Mathematical Methods of Operations Research, 2017 - Springer
We define the concept of reproducible map and show that, whenever the constraint map
defining the quasivariational inequality (QVI) is reproducible then one can characterize the …

On the existence of projected solutions of quasi-variational inequalities and generalized Nash equilibrium problems

D Aussel, A Sultana, V Vetrivel - Journal of Optimization Theory and …, 2016 - Springer
A quasi-variational inequality is a variational inequality, in which the constraint set is
depending on the variable. However, as shown by a motivating example in electricity …

Generalized Nash equilibrium problem, variational inequality and quasiconvexity

D Aussel, J Dutta - Operations research letters, 2008 - Elsevier
It is well known that the generalized Nash equilibrium problem, a model for multi-leader–
follower games, can be reformulated as a quasivariational inequality. We show that, in fact, a …

Quasimonotone quasivariational inequalities: existence results and applications

D Aussel, J Cotrina - Journal of Optimization Theory and Applications, 2013 - Springer
A quasivariational inequality is a variational inequality in which the constraint set depends
on the variable. Based on fixed point techniques, we prove various existence results under …

[图书][B] Existence results for quasi-equilibrium problems

D Aussel, J Cotrina, A Iusem - 2014 - webdoc.sub.gwdg.de
Abstract Recently in Castellani-Guili (J. Optim. Th. Appl., 147 (2010), 157-168), it has been
showed that the proof of the existence result for quasimonotone Stampacchia variational …

Variational and quasi-variational inequalities under local reproducibility: solution concept and applications

D Aussel, P Chaipunya - Journal of Optimization Theory and Applications, 2024 - Springer
Local solutions for variational and quasi-variational inequalities are usually the best type of
solutions that could practically be obtained when in lack of convexity or else when available …

Necessary and sufficient conditions for nonsmooth mathematical programs with equilibrium constraints

N Movahedian, S Nobakhtian - Nonlinear Analysis: Theory, Methods & …, 2010 - Elsevier
In this paper we consider a mathematical program with equilibrium constraints (MPEC)
formulated as a mathematical program with complementarity constraints. Then, we derive a …

[PDF][PDF] Quasimonotone variational inequalities and quasiconvex programming: qualitative stability

MA Mansour, D Aussel - Journal of Convex Analysis, 2008 - researchgate.net
QUASIMONOTONE VARIATIONAL INEQUALITIES AND QUASICONVEX PROGRAMMING:
QUANTITATIVE STABILITY Keywords: Quasimonotone variational i Page 1 QUASIMONOTONE …

Existence Results for Quasi-variational Inequalities with Applications to Radner Equilibrium Problems: Resolution Through Variational Inequalities

D Aussel, MB Donato, M Milasi, A Sultana - Set-Valued and Variational …, 2021 - Springer
A quasi-variational inequality corresponds to a variational inequality in which the constraint
set depends on the current value of the variable. Quasi-variational inequalities are known to …