Subdifferential calculus without qualification conditions, using approximate subdifferentials: a survey

Enlargements and sums of monotone operators

Nonlinear Analysis: Theory, Methods & Applications

Sufficient Optimality Condition for Vector Optimization Problems under D.C. Data

Journal of Global Optimization

Integration of ε-Fenchel Subdifferentials and Maximal Cyclic Monotonicity

Journal of Global Optimization

Functional Inequalities in the Absence of Convexity and Lower Semicontinuity with Applications to Optimization

SIAM Journal on Optimization

Optimality conditions for a unified vector optimization problem with not necessarily preordering relations

Journal of Global Optimization