42 Cahiers pour l'année 2026
An improved approximation of metal accumulation in electric arc furnaces for ferrosilicon production
Accurate estimation of metal accumulation in electric arc furnaces (EAFs) is critical for maintaining stable ferrosilicon (FeSi) production and ensuring effe...
référence BibTeXDistributionally robust extended Kalman filtering for lithium-ion battery state-of-charge estimation
Les batteries lithium-ion sont présentement le choix principal pour le stockage d’énergie dans les véhicules électriques (electric vehicle, EV). Il est donc...
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Ce travail présente une revue des différentes variantes parallèles de l'algorithme de recherche directe sur treillis adaptatifs (MADS) pour l'optimisatio...
référence BibTeXStochastic capacity accreditation: Incentivizing resource adequacy under weather uncertainty
High penetrations of variable renewable energy introduce significant resource adequacy challenges, particularly when weather-driven uncertainty affects renew...
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L’hydroélectricité couvre 94% des besoins en électricité du Québec, ce qui rend la planification à court terme de la production hydroélectrique (PHCT) essent...
référence BibTeXHierarchical constraint reduction for the penalized security-constrained optimal power flow
We consider the penalized security-constrained optimal power flow (SCOPF) problem in a linearized form where thermal line limits are enforced as soft constr...
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Optical transport networks (OTNs) carry Ethernet traffic over lightpaths that can be provisioned using elastic optical networks (EONs) with flexible spectrum...
référence BibTeXVector generalizations of the Robbins-Siegmund theorem and stochastic gradient descent with delays
Le théorème de convergence des presque surmartingales de Robbins et Siegmund (1971) constitue un résultat fondamental pour l’analyse de convergence de nombre...
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We study the solution of symmetric positive-definite linear systems by way of families of full- and limited-memory methods. Our contributions are threefol...
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Les grands modèles de langage sont de plus en plus utilisés comme substituts de répondants humains dans les expériences en sciences sociales, en comportement...
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We investigate a state estimation problem for a linear time-invariant Gaussian system, based on a measured scalar privacy-sensitive signal. This is formulate...
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To meet the increasing demand for low-latency processing in mobile and IoT devices, edge computing offloads user application tasks to nearby cloudlets (edge ...
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Task offloading in edge computing becomes significantly more challenging when applications are modeled as Directed Acyclic Graphs (DAGs), where task dependen...
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L'optimisation biniveau implique un décideur de haut-niveau et un décideur bas-niveau. Le problème d'optimisation bas-niveau est compris dans les contrainte...
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Tactical wireless networks play a vital role in ensuring reliable connectivity in scenarios where conventional telecommunications infrastructure is unavailab...
référence BibTeXSensitivity analysis of tactical wireless network design under realistic operational constraints
The design of tactical wireless networks reflects a complex interplay among structural constraints, technological choices, and underlying modeling assumption...
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Cet article étudie les jeux à champ moyen et le contrôle sur des réseaux clairsemés. Dans le cas des grands graphes expanseurs, les topologies limites sont a...
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Aircraft design relies heavily on solving challenging and computationally expensive Multidisciplinary Design Optimization problems. In this context, there ha...
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The \(k\)-means algorithm is one of the most widely used methods for solving the minimum sum-of-squares clustering (MSSC) problem, but it is well known to ...
We study the solution of large symmetric positive-definite linear systems in a matrix-free setting with a limited iteration budget. We focus on the precondi...
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Wind power generation represents one of the main resources of modern renewable power systems. Its deployment is governed by numerous factors, e.g., weather p...
référence BibTeXApproximate perfect equilibria in finitely repeated Prisoner's Dilemma with asymmetric players
Dans cet article, nous étudions un dilemme du prisonnier répété un nombre fini de fois, où les joueurs présentent une asymétrie tant dans leur propension à d...
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Dans ce travail, nous nous intéressons au problème de l’Optimal Energy Trading (OET) dans les réseaux de distribution intégrant un grand nombre de foyers pro...
référence BibTeXA variable neighborhood search heuristic for semi-supervised minimum sum-of-squares clustering
Semi-supervised clustering is a learning approach that primarily relies on unlabeled data but incorporates some prior information to improve the clustering r...
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Dynamic games are considered with large subpopulations distributed over large sparse graphs, where each agent has mean field coupling with all agents withi...
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It is well known that physical activity plays a key role in maintaining good health. Over the past few decades, there has been a significant increase in both...
référence BibTeXElectric vehicle fast-charging facility location with endogenous queuing in path selection
As fast-charging demand grows, ensuring the operational resilience of electric vehicle (EV) infrastructure under congestion becomes a key challenge in large-...
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Les prévisions météorologiques constituent des outils essentiels à la prise de décision. Au cours des dernières décennies, ces prévisions reposaient sur la r...
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The use of transfer learning within Bayesian optimization addresses the disadvantages of the so-called cold start problem by using source data to aid in th...
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In simulation-based engineering, design choices are often obtained following the optimization of complex blackbox models. These models frequently involve mi...
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The Crew Pairing Problem (CPP) involves constructing feasible pairings (sequences of flights, connections, and rest periods) for airline crew while minimizin...
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This paper introduces IPNSDP, a MATLAB solver for general Nonlinear Semidefinite Programming (NSDP) based on a second-order interior point method. Unlike lin...
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The Batch Pan Scheduling Problem represents a major operational challenge in white sugar refineries, where production planning must balance throughput object...
référence BibTeXBranch-and-Price
Integer (linear) programs are a standard way of formalizing a vast array of optimization problems in industry, services, management, science, and technology....
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Benchmarking new optimization methods on test problems is essential for assessing their performance and tuning their parameters. Yet, few problems are avail...
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Le covoiturage pourrait constituer une solution aux défis de la mobilité urbaine en offrant à la fois accessibilité financière et commodité, tout en réduisan...
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Bus scheduling problem is a core optimization problem for public transit agencies. Given a set of timetabled trips to cover during a day and a homogeneous bu...
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Ce travail étudie les problèmes d’optimisation de boîte noire contraints qui ne peuvent pas être résolus dans un temps raisonnable en raison de coûts de calc...
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Designing icephobic surfaces to delay ice formation is crucial for applications like aviation safety and cryopreservation. While Classical Nucleation Theory ...
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Distributed wireless networks provide scalable and decentralized connectivity for applications ranging from IoT and vehicular communication to emergency resp...
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Large-scale distributed wireless networks offer infrastructure-free and cost-effective connectivity. Recent theoretical work has shown that scalability crit...
référence BibTeXEstimating OD matrices from social connectivity: A per-origin probabilistic attractiveness model
Origin--destination (OD) matrices are essential for forecasting and capacity planning in transportation and communication networks, yet they are not directl...
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