1. Basic-set algorithm for a generalized linear complementarity problem

   • J. J. Júdice
   • F. M. Pires

   Contributed Papers Pages: 391 - 411

2. Optimal harvesting in age-structured populations

   • N. G. Medhin

   Contributed Papers Pages: 413 - 423

3. Interior proximal point algorithm for linear programs

   • R. Setiono

   Contributed Papers Pages: 425 - 444

4. Existence of solutions for a vector variational inequality: An extension of the Hartmann-Stampacchia theorem

   • G. Y. Chen

   Contributed Papers Pages: 445 - 456

5. Some properties of explicitly quasiconcave functions

   • R. A. Danao

   Contributed Papers Pages: 457 - 468

6. Conical algorithm for the global minimization of linearly constrained decomposable concave minimization problems

   • R. Horst
   • N. V. Thoai

   Contributed Papers Pages: 469 - 486

7. New proof and some generalizations of the minimum principle in optimal control

   • S. MiricĂ

   Contributed Papers Pages: 487 - 508

8. Proper relaxation of optimal control problems

   • J. F. Rosenblueth

   Contributed Papers Pages: 509 - 526

9. Limiting behavior of the approximate second-order subdifferential of a convex function

   • A. Seeger

   Contributed Papers Pages: 527 - 544

10. MIMOl ¹-optimization with a scalar control

    • O. J. Staffans

    Contributed Papers Pages: 545 - 564

11. ɛ-Duality theorem of nondifferentiable nonconvex multiobjective programming

    • P. Loridan

    Technical Comment Pages: 565 - 566

12. ɛ-Duality theorem of nondifferentiable nonconvex multiobjective programming

    • J. C. Liu

    Technical Reply Pages: 567 - 568

13. Book notices

    Announcement Pages: 569 - 569

14. Editorial policy

    General Information Pages: 571 - 572

15. Preparation of papers

    General Information Pages: 573 - 575

16. Editorial addresses

    General Information Pages: 577 - 580