1. A Comparison between Memetic Algorithm and Genetic Algorithm for an Integrated Logistics Network with Flexible Delivery Path

   • Elham Behmanesh
   • Jürgen Pannek

   Original Research Open access 15 September 2021 Article: 47

   

2. Multi-Echelon Supply Chains with Lead Times and Uncertain Demands

   • Hadi Farhangi

   Original Research 13 September 2021 Article: 46

   

3. Ship Routing Using Genetic Algorithms

   • Nikolaos Charalambopoulos
   • Andreas C. Nearchou

   Original Research 07 September 2021 Article: 45

   

4. On Continuous Codifferentiability of Quasidifferentiable Functions

   • Igor M. Prudnikov

   Original Research 27 August 2021 Article: 44

5. A Stochastic Programming Model for Service Scheduling with Uncertain Demand: an Application in Open-Access Clinic Scheduling

   • Yu Fu
   • Amarnath Banerjee

   Original Research 27 August 2021 Article: 43

   

6. Correction to: Robust Arbitrage Conditions for Financial Markets

   • Derek Singh
   • Shuzhong Zhang

   Publisher Correction 11 August 2021 Article: 42

7. Evaluation of News Search Engines Based On Information Retrieval Models

   • Mohammad Ubaidullah Bokhari
   • Mohd. Kashif Adhami
   • Afaq Ahmad

   Original Research 10 August 2021 Article: 41

   

8. Scalarization of Multiobjective Robust Optimization Problems

   • S. Khoshkhabar-amiranloo

   Original Research 02 August 2021 Article: 40

9. Improved Bounds for Revenue Maximization in Time-Limited Online Dial-a-Ride

   • Ananya D. Christman
   • Christine Chung
   • David Yuen

   Original Research 28 July 2021 Article: 39

   

10. A Multilayer Feedforward Perceptron Model in Neural Networks for Predicting Stock Market Short-term Trends

    • Alireza Namdari
    • Tariq S. Durrani

    Original Research Open access 21 July 2021 Article: 38

    

11. Demand Forecasting of Individual Probability Density Functions with Machine Learning

    • Felix Wick
    • Ulrich Kerzel
    • Michael Feindt

    Report 17 July 2021 Article: 37

    

12. Review on Nature-Inspired Algorithms

    • Wael Korani
    • Malek Mouhoub

    Expository Reviews 16 July 2021 Article: 36

    

13. Correction to: Online Failure Diagnosis in Interdependent Networks

    • Davood Shiri
    • Vahid Akbari

    Correction Open access 15 July 2021 Article: 35

14. Robust Arbitrage Conditions for Financial Markets

    • Derek Singh
    • Shuzhong Zhang

    Original Research 12 July 2021 Article: 34

    

15. Combining Cross-Entropy and MADS Methods for Inequality Constrained Global Optimization

    • Charles Audet
    • Jean Bigeon
    • Romain Couderc

    Original Research 12 July 2021 Article: 33

    

16. Mixed E-duality for E-differentiable Vector Optimization Problems Under (Generalized) V-E-invexity

    • Najeeb Abdulaleem

    Original Research Open access 12 July 2021 Article: 32

17. A Multiclass, Multiproduct Covid-19 Convalescent Plasma Donor Equilibrium Model

    • Anna Nagurney
    • Pritha Dutta

    Original Research 10 July 2021 Article: 31

    

18. On a Maximum Eigenvalue of Third-Order Pairwise Comparison Matrix in Analytic Hierarchy Process and Convergence of Newton’s Method

    • Shunsuke Shiraishi
    • Tsuneshi Obata

    Original Research Open access 08 July 2021 Article: 30