| 297 | -- | 299 | Gianni Di Pillo, Massimo Roma. Guest editorial |
| 301 | -- | 322 | Annabella Astorino, Antonio Fuduli, Manlio Gaudioso. Margin maximization in spherical separation |
| 323 | -- | 346 | Giancarlo Bigi, Mauro Passacantando. Gap functions and penalization for solving equilibrium problems with nonlinear constraints |
| 347 | -- | 373 | Ernesto G. Birgin, Jan M. Gentil. Evaluating bound-constrained minimization software |
| 375 | -- | 393 | Mahdi Boukrouche, Domingo A. Tarzia. Convergence of distributed optimal control problems governed by elliptic variational inequalities |
| 395 | -- | 423 | Marianna De Santis, Gianni Di Pillo, Stefano Lucidi. An active set feasible method for large-scale minimization problems with bound constraints |
| 425 | -- | 452 | Alexey F. Izmailov, A. L. Pogosyan. Active-set Newton methods for mathematical programs with vanishing constraints |
| 453 | -- | 483 | Nils Langenberg. Interior point methods for equilibrium problems |
| 485 | -- | 503 | M. Beatrice Lignola, Jacqueline Morgan. Approximate values for mathematical programs with variational inequality constraints |
| 505 | -- | 526 | Giampaolo Liuzzi, Stefano Lucidi, Francesco Rinaldi. Derivative-free methods for bound constrained mixed-integer optimization |
| 527 | -- | 555 | M. J. D. Powell. On the convergence of trust region algorithms for unconstrained minimization without derivatives |
| 557 | -- | 589 | Saverio Salzo, Silvia Villa. Convergence analysis of a proximal Gauss-Newton method |
| 591 | -- | 617 | Valeria Simoncini. Reduced order solution of structured linear systems arising in certain PDE-constrained optimization problems |
| 619 | -- | 648 | Levent Tunçel, Henry Wolkowicz. Strong duality and minimal representations for cone optimization |