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A crew pairing is a sequence of flights, connections and rests that start and end at a crew base and is assigned to a single crew. The crew pairing problem c...
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This paper investigates design methods of protection schemes in survivable WDM networks which use pre-configured protection structures (<i>p</i>-structures) ...
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This study analyzes the use of neural network to produce accurate forecasts of total bookings and cancellations before departure, of a major rail operator. ...
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A challenge in many applications of non-parametric curve estimation is that the function must satisfy some (lower and/or upper) variable order constraints (f...
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In this paper we propose a new hybrid heuristic for solving 0-1 mixed integer programs based on the principle of variable neighbourhood decomposition search....
référence BibTeXMalliavin Calculus and Clark-Ocone Formula for Functionals of a Square-Integrable Lévy Process
In this article, we construct a Malliavin derivative for functionals of a square-integrable Lévy process. The Malliavin derivative is defined via chaos expan...
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This intentionally short tutorial is an introduction to the main features of AMPL that are relevant to nonlinear optimization model authoring. Pointers are g...
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We consider a two-player asymmetric differential game of pollution control. One player is non-vulnerable to pollution, or unwilling to consider damages when ...
référence BibTeXA Variable Neighborhood Search Based Algorithm for Finite-Horizon Markov Decision Processes
This paper considers the application of a Variable Neighborhood Search (VNS) algorithm for finite-horizon (<i>H</i> stages) Markov Decision Processes (MDPs),...
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The distance energy of a graph <i>G</i> is defined as <img src="/cgi-bin/mimetex.cgi?ED(G) = \sum |\mui |">, where <img src="/cgi-bin/mimetex.cgi?\mu_i"> i...
référence BibTeXA Unified Modeling and Solution Framework for Pre-Planned Protection in Survivable WDM Networks
<p>The introduction of new applications that require high bandwidth, high service availability and reliability has generated many researches in the design of...
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In this work we develop new methods and algorithms for building networks with high synchronizability of dynamical processes occurring at their nodes. In addi...
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This paper evaluates the changes in efficiency and productivity of coal-fired electricity generation of 30 Chinese administrative regions from 1999 to 2007. ...
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<p>With the increasing concern for global warming, the impact of Internet power consumption is gaining interest. In this paper, we explore, for the first ti...
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The issue of Internet energy consumption and its contribution to global warming has been gaining importance lately. In this paper we present a compilation of...
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The Traveling Salesman Problem and the Vehicle Routing Problem are two of the most popular problems in the field of combinatorial optimization. The purpose ...
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As of April 2007, the European Union has new regulations concerning driver working hours. These rules force the placement of breaks and rests into the vehicl...
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The <i>proximity</i> <img src="/cgi-bin/mimetex.cgi?\pi = \pi (G)"> of a connected graph <i>G</i> is the minimum, over all vertices, of the average distance ...
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A <i>k</i>-edge-coloring of a graph <i>G=(V,E)</i> is a function <i>c</i> that assigns an integer <i>c(e)</i> (called color) in <i>{0,1, ..., k-1}</i> to eve...
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This paper presents a general framework for formulating cutting planes in the context of column generation for integer programs. Valid inequalities can be de...
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