1. About Extensions of the Extremal Principle

    Hoa T. Bui, Alexander Y. Kruger

2. Implicit Error Bounds for Picard Iterations on Hilbert Spaces

    D. Russell Luke, Nguyen H. Thao, Matthew K. Tam

3. Restricted Limiting Subdifferential and Applications

    Tijani Amahroq, Abderrahim Jourani

4. Best Approximate Solutions of Inconsistent Linear Inequality Systems

    Miguel A. Goberna, Jean-Baptiste Hiriart-Urruty, Marco A. López

5. Stability of p-Order Metric Regularity

    Yiran He, Kung Fu Ng

6. Complete Characterizations of Robust Strong Duality for Robust Vector Optimization Problems

     Nguyen Dinh, Dang Hai Long

7. On Semicoercive Variational-Hemivariational Inequalities—Existence, Approximation, and Regularization

     Ouayl Chadli, Joachim Gwinner, Nina Ovcharova

8. Apart Sets and Functions: an Application to the Stability of Penalized Optimization Problems

     Emil Ernst

9. On the Euler–Lagrange Equation in Calculus of Variations

     Ivar Ekeland

10. Subdifferential Stability Analysis for Convex Optimization Problems via Multiplier Sets

     Duong Thi Viet An, Nguyen Dong Yen

11. On the Existence of Directional Derivatives for Strongly Cone-Paraconvex Mappings

     Ewa Bednarczuk, Krzysztof Leśniewski

12. Hiriart-Urruty–Phelps-Like Formula for the Subdifferential of Integral Sums

    A. Hantoute, A. Jourani
13. Helping You Finding an Appropriate Regularization Process

    Huynh Van Ngai, Jean-Paul Penot