- Lars Schewe, Martin Schmidt 0003, Johannes Thürauf. Structural properties of feasible bookings in the European entry-exit gas market system. 4OR, 18(2):197-218, 2020.
- Arno De Caigny. Innovation in customer scoring for the financial services industry. 4OR, 18(3):381-382, 2020.
- Rubing Chen, Jinjiang Yuan. Single-machine scheduling of proportional-linearly deteriorating jobs with positional due indices. 4OR, 18(2):177-196, 2020.
- Gur Mosheiov, Assaf Sarig, Vitaly A. Strusevich. Minmax scheduling and due-window assignment with position-dependent processing times and job rejection. 4OR, 18(4):439-456, 2020.
- J. C. Gonçalves-Dosantos, I. García-Jurado, J. Costa. Sharing delay costs in stochastic scheduling problems with delays. 4OR, 18(4):457-476, 2020.
- Amir Ahmadi-Javid, Nasrin Ramshe. Correction to: Designing flexible loop-based material handling AGV paths with cell-adjacency priorities: an efficient cutting-plane algorithm. 4OR, 18(3):385, 2020.
- Jéssica Gabriela de Almeida Cunha, Vinícius Loti de Lima, Thiago Alves de Queiroz. Grids for cutting and packing problems: a study in the 2D knapsack problem. 4OR, 18(3):293-339, 2020.
- Dhananjay R. Thiruvady, Rhyd Lewis, Kerri Morgan. Tackling the maximum happy vertices problem in large networks. 4OR, 18(4):507-527, 2020.
- Andrea Mor, Maria Grazia Speranza. Vehicle routing problems over time: a survey. 4OR, 18(2):129-149, 2020.
- Arthur Kramer. Exact and heuristic algorithms for scheduling problems. 4OR, 18(1):123-124, 2020.