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A Quarterly Journal of Operations Research

4OR OnlineFirst articles

08.02.2018 | PhD Thesis

The multiplicative weights update algorithm for mixed integer nonlinear programming: theory, applications, and limitations

31.01.2018 | Research Paper

Generating constrained length personalized bicycle tours

In the context of recreational routing, the problem of finding a route which starts and ends in the same location (while achieving a length between specified upper and lower boundaries) is a common task, especially for tourists or cyclists who …

21.01.2018 | Research Paper

Using groups in the splitting preconditioner computation for interior point methods

Interior point methods usually rely on iterative methods to solve the linear systems of large scale problems. The paper proposes a hybrid strategy using groups for the preconditioning of these iterative methods. The objective is to solve large …

04.01.2018 | Research Paper

Optimality and duality in constrained interval-valued optimization

Fritz John and Karush–Kuhn–Tucker necessary conditions for local LU-optimal solutions of the constrained interval-valued optimization problems involving inequality, equality and set constraints in Banach spaces in terms of convexificators are …

15.12.2017 | Research Paper

Coordination of a socially responsible two-stage supply chain under price-dependent random demand

This paper investigates the coordination problem of a supply chain (SC) composed of a manufacturer exhibiting corporate social responsibility (CSR) and a retailer faced with random demand. The random demand is made up of the multiplication of …

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Über diese Zeitschrift

4OR is jointly published by the Belgian, French, and Italian Operations Research Societies. Published quarterly, the journal features high quality papers on the theory and application of operations research. Rapid dissemination of important results is a hallmark of the journal.

In addition to publishing original research findings, the journal publishes state-of-the-art surveys written by prominent researchers. The journal’s industry section features case studies as well as papers on operations research techniques in industry and on open industrial problems.

Educational papers help improve the quality of operations research teaching. The PhD section publishes selected abstracts of recent PhD theses defended in Belgian, French or Italian institutions, or of PhD theses defended by Belgian, French or Italian citizens.

Officially cited as: 4OR-Q J Oper Res

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