1. Economic lot-sizing problem with remanufacturing option: complexity and algorithms

   • Ashwin Arulselvan
   • Kerem Akartunalı
   • Wilco van den Heuvel

   Original Paper Open access 29 June 2021 Pages: 421 - 432

   

2. Sparse regression over clusters: SparClur

   • Dimitris Bertsimas
   • Jack Dunn
   • Rebecca Zhang

   Short Communication 08 July 2021 Pages: 433 - 448

   

3. On the exact separation of cover inequalities of maximum-depth

   • Daniele Catanzaro
   • Stefano Coniglio
   • Fabio Furini

   Original Paper Open access 01 May 2021 Pages: 449 - 469

   

4. 2DPackLib: a two-dimensional cutting and packing library

   • Manuel Iori
   • Vinícius Loti de Lima
   • Michele Monaci

   Original Paper Open access 12 October 2021 Pages: 471 - 480

5. On partial descriptions of König graphs for odd paths and all their spanning supergraphs

   • Dmitry B. Mokeev
   • Dmitry S. Malyshev

   Original Paper 20 June 2021 Pages: 481 - 496

6. Nested-solution facility location models

   • Ronald G. McGarvey
   • Andreas Thorsen

   Original Paper 04 June 2021 Pages: 497 - 514

   

7. Minimum budget for misinformation detection in online social networks with provable guarantees

   • Canh V. Pham
   • Dung V. Pham
   • Anh V. Nguyen

   Original Paper 13 April 2021 Pages: 515 - 544

   

8. Strong convergence of inertial subgradient extragradient algorithm for solving pseudomonotone equilibrium problems

   • Duong Viet Thong
   • Prasit Cholamjiak
   • Yeol Je Cho

   Original Paper 22 April 2021 Pages: 545 - 573

   

9. A dual scheme for solving linear countable semi-infinite fractional programming problems

   • Ta Quang Son
   • Do Sang Kim

   Original Paper 18 April 2021 Pages: 575 - 588

10. Naive constant rank-type constraint qualifications for multifold second-order cone programming and semidefinite programming

    • R. Andreani
    • G. Haeser
    • T. P. Silveira

    Original Paper 13 April 2021 Pages: 589 - 610

11. On the proximal point algorithm and its Halpern-type variant for generalized monotone operators in Hilbert space

    • Ulrich Kohlenbach

    Original Paper Open access 16 April 2021 Pages: 611 - 621

12. Scheduling with generalized and periodic due dates under single- and two-machine environments

    • Byung-Cheon Choi
    • Kyung Min Kim
    • Myoung-Ju Park

    Original Paper 15 April 2021 Pages: 623 - 633

13. On refinement strategies for solving \({\textsc {MINLP}\mathrm{s}}\)  by piecewise linear relaxations: a generalized red refinement

    • Robert Burlacu

    Original Paper Open access 19 June 2021 Pages: 635 - 652

    

14. Necessary optimality conditions for a multiobjective semi-infinite interval-valued programming problem

    • Nazih Abderrazzak Gadhi
    • Mohammed El Idrissi

    Original Paper 12 November 2021 Pages: 653 - 666

15. Approximation algorithm for minimum partial multi-cover under a geometric setting

    • Yingli Ran
    • Xiaohui Huang
    • Ding-Zhu Du

    Original Paper 18 May 2021 Pages: 667 - 680

    

16. On self-concordant barriers for generalized power cones

    • Scott Roy
    • Lin Xiao

    Original Paper 16 June 2021 Pages: 681 - 694

    

17. Optimization of boundary value problems for higher order differential inclusions and duality

    • Elimhan N. Mahmudov

    Original Paper 22 April 2021 Pages: 695 - 712

18. Finding optimal solutions to several gray pattern instances

    • Zvi Drezner
    • Pawel Kalczynski
    • Gintaras Palubeckis

    Short Communication 13 April 2021 Pages: 713 - 722

    

19. Tight bounds on Lyapunov rank

    • Michael Orlitzky

    Original Paper 17 May 2021 Pages: 723 - 728

20. On the rate of convergence of alternating minimization for non-smooth non-strongly convex optimization in Banach spaces

    • Jakub Wiktor Both

    Original Paper Open access 24 May 2021 Pages: 729 - 743