On the vectoral Ekeland's variational principle and minimal points in product spaces

Vector-valued variational principles

Nonlinear Analysis: Theory, Methods & Applications - Theory and methods

A Vector Problem of Optimal Control in a Hilbert Space

Cybernetics and Systems Analysis

Linear variational principle for convex vector maximization

Cybernetics and Systems Analysis

Systems of equilibrium problems with applications to new variants of Ekeland's variational principle, fixed point theorems and parametric optimization problems

Journal of Global Optimization

On generalized Ekeland's variational principle and equivalent formulations for set-valued mappings

Journal of Global Optimization