1. On the Role of the Objective in the Optimization of Compartmental Models for Biomedical Therapies

   • Urszula Ledzewicz
   • Heinz Schättler

   Invited Paper 30 September 2020 Pages: 305 - 335

   

2. An Existence Result for Quasi-equilibrium Problems via Ekeland’s Variational Principle

   • John Cotrina
   • Michel Théra
   • Javier Zúñiga

   OriginalPaper 19 October 2020 Pages: 336 - 355

   

3. Conditional Interior and Conditional Closure of Random Sets

   • Meriam El Mansour
   • Emmanuel Lépinette

   OriginalPaper 20 October 2020 Pages: 356 - 369

4. Representation of Weak Solutions of Convex Hamilton–Jacobi–Bellman Equations on Infinite Horizon

   • Vincenzo Basco

   OriginalPaper 23 October 2020 Pages: 370 - 390

5. Existence of Solutions for Implicit Obstacle Problems of Fractional Laplacian Type Involving Set-Valued Operators

   • Dumitru Motreanu
   • Van Thien Nguyen
   • Shengda Zeng

   OriginalPaper Open access 25 September 2020 Pages: 391 - 407

6. The Engulfing Property from a Convex Analysis Viewpoint

   • Andrea Calogero
   • Rita Pini

   OriginalPaper Open access 28 September 2020 Pages: 408 - 420

7. On the Extension of Continuous Quasiconvex Functions

   • Carlo Alberto De Bernardi

   OriginalPaper 20 October 2020 Pages: 421 - 430

8. Is a Finite Intersection of Balls Covered by a Finite Union of Balls in Euclidean Spaces?

   • Vincent Runge

   OriginalPaper 24 October 2020 Pages: 431 - 447

   

9. A Frank–Wolfe-Type Theorem for Cubic Programs and Solvability for Quadratic Variational Inequalities

   • Tran Van Nghi
   • Nguyen Nang Tam

   OriginalPaper 09 October 2020 Pages: 448 - 468

   

10. Constraint Qualifications for Karush–Kuhn–Tucker Conditions in Multiobjective Optimization

    • Gabriel Haeser
    • Alberto Ramos

    OriginalPaper 29 September 2020 Pages: 469 - 487

    

11. Generalized Farkas Lemma with Adjustable Variables and Two-Stage Robust Linear Programs

    • Thai Doan Chuong
    • Vaithilingam Jeyakumar

    OriginalPaper 03 October 2020 Pages: 488 - 519

12. Projections onto the Intersection of a One-Norm Ball or Sphere and a Two-Norm Ball or Sphere

    • Hongying Liu
    • Hao Wang
    • Mengmeng Song

    OriginalPaper 21 October 2020 Pages: 520 - 534

    

13. Optimal Dividend and Capital Structure with Debt Covenants

    • Etienne Chevalier
    • Vathana Ly Vath
    • Alexandre Roch

    OriginalPaper 09 October 2020 Pages: 535 - 565

    

14. Nonzero-Sum Stochastic Differential Reinsurance Games with Jump–Diffusion Processes

    • Negash Medhin
    • Chuan Xu

    OriginalPaper 30 September 2020 Pages: 566 - 584

    

15. A Discounted Approach in Communicating Average Markov Decision Chains Under Risk-Aversion

    • Julio Saucedo-Zul
    • Rolando Cavazos-Cadena
    • Hugo Cruz-Suárez

    OriginalPaper 07 October 2020 Pages: 585 - 606

16. A Note on “Existence Results for Noncoercive Mixed Variational Inequalities in Finite Dimensional Spaces”

    • Alfredo Iusem
    • Felipe Lara

    Forum 30 July 2020 Pages: 607 - 608