Axis 2: Decision support made in complex systems
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1368 results — page 30 of 69
This paper studies the pricing strategies of firms belonging to a vertical channel structure where optional contingent products are sold. Optional continge...
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The purpose of this paper is to study the periodic arc routing problem when the arcs of a network behave as customers, and sufficient material is delivered s...
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In many situations, such as art auctions, privatization of public assets and allocation of television airwaves to wireless carriers, the value of the objec...
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We consider a two-player differential game of international emissions to represent the interactions between two groups of countries, namely, developed and ...
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Interior-point methods feature prominently among numerical methods for inequality-constrained optimization problems, and involve the need to solve a sequ...
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This paper presents a decomposition approach for solving a variant of the Routing and Wavelength Assignment (RWA) problem, in which all connection requests a...
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We model the role of the world's forests as a major carbon sink and consider the impact that forest depletion has on the accumulation of CO<sub>2</sub> in ...
BibTeX referenceFranchise Location Models and Cannibalization Effects: A Variable Neighborhood Search Approach
Application of the dispersion models in order to address the cannibalization phenomenon within franchised chains is a new approach. In this work we have deve...
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Community detection in networks has been studied extensively in the last decade. Many criteria, expressing the quality of the partitions obtained, as well ...
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Reduced RLT constraints are a special class of Reformulation-Linearization Technique (RLT) constraints. They apply to nonconvex (both continuous and mixed-...
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Given a set of entities, cluster analysis aims at finding subsets, also called clusters or communities or modules, entities of which are homogeneous and well...
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We consider a two-period closed-loop supply chain (CLSC) game where a remanufacturer appropriates of the returns' residual value and decides whether to exc...
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In this paper, we provide a decomposition over time of Shapley value for dynamic stochastic discrete-time games, where the uncertainty is described by an eve...
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Blackbox optimization typically arises when the functions defining the objective and constraints of an optimization problem are computed through a computer...
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Finding clusters, or communities, in a graph, or network is a very important problem which arises in many domains. Several models were proposed for its solu...
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This work introduces the use of the treed Gaussian process (TGP) as a surrogate model within the mesh adaptive direct search (MADS) framework for constrain...
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The Mesh Adaptive Direct Search (MADS) class of algorithms is designed for nonsmooth optimization, where the objective function and constraints are typical...
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The MaxSumSum (maximum diversity) problem consists of the selection of <i>p</i> facilities among <i>n</i> candidate locations in a way that the total sum ...
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The airline fleet assignment problem (FAP) consists of assigning an aircraft type to each flight leg of a flight schedule in order to maximize the airline ...
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We consider a problem of groundwater management in which a group of farmers overexploits a groundwater stock and causes excessive pollution. A Water Agency...
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