1. Last-mile delivery concepts: a survey from an operational research perspective

   • Nils Boysen
   • Stefan Fedtke
   • Stefan Schwerdfeger

   Regular Article Open access 21 September 2020 Pages: 1 - 58

   

2. Preventive healthcare facility location planning with quality-conscious clients

   • Ralf Krohn
   • Sven Müller
   • Knut Haase

   Regular Article 13 October 2020 Pages: 59 - 87

   

3. Tactical waste collection: column generation and mixed integer programming based heuristics

   • Jens Van Engeland
   • Jeroen Beliën

   Regular Article 28 October 2020 Pages: 89 - 126

   

4. Column generation algorithms for mother plate design in steel plants

   • Qi Zhang
   • Shixin Liu
   • Shujin Qin

   Regular Article 29 October 2020 Pages: 127 - 153

   

5. A novel vehicle routing problem for vaccine distribution using SIR epidemic model

   • Nafiseh Shamsi Gamchi
   • S. Ali Torabi
   • Fariborz Jolai

   Regular Article 09 November 2020 Pages: 155 - 188

   

6. Improving effectiveness of spare parts supply by additive manufacturing as dual sourcing option

   • N. Knofius
   • M. C. van der Heijden
   • W. H. M. Zijm

   Regular Article Open access 09 October 2020 Pages: 189 - 221

   

7. Multi-fidelity surrogate-based optimization for decomposed buffer allocation problems

   • Ziwei Lin
   • Nicla Frigerio
   • Shichang Du

   Regular Article 08 September 2020 Pages: 223 - 253

   

8. An interval efficiency analysis with dual-role factors

   • Mehdi Toloo
   • Esmaeil Keshavarz
   • Adel Hatami-Marbini

   Regular Article 14 October 2020 Pages: 255 - 287

   

9. Exploration of a disrupted road network after a disaster with an online routing algorithm

   • Lorena Reyes-Rubiano
   • Jana Voegl
   • Patrick Hirsch

   Regular Article Open access 30 November 2020 Pages: 289 - 326