Axis 2: Decision support made in complex systems

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Cahiers du GERAD

1415 results — page 23 of 71

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We consider a dynamic collective choice problem where a large number of players are cooperatively choosing between multiple destinations while being influenc...

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In this paper we consider an interactive communication system with two users, who sequentially observe two correlated sources, and send the quantized observa...

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An augmented Lagrangian (AL) can convert a constrained optimization problem into a sequence of simpler (e.g., unconstrained) problems, which are then usual...

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NLP.py is a programming environment to model continuous optimization problems and to design computational methods in the high-level and powerful Python l...

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We study a rich production-routing problem with time windows arising at a catering services company. The production part consists of assembling the meals to ...

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The geometric-arithmetic index \(GA\) of a graph \(G\) is the sum of ratios, over all edges of \(G\), of the geometric mean to the arithmetic mean of t...

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In the present paper, we prove lower and upper bounds for each of the ratios \(GA/\delta\), \(GA/\overline{d}\) and \(\Delta\), in terms of the order `...

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In the present paper, we compare the geometric-arithmetic index \(GA\) and the chromatic number \(\chi\) of a connected graph with given order. We prove,...

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Extreme Learning Machine (ELM) has recently increased popularity and has been successfully applied to a wide range of applications. Variants using regulariza...

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The technological developments observed in the last two decades contributed to the digitalization of products and the introduction of devices to consume th...

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Scheduling activities in an underground mine is a very complex task. This paper presents an optimization model for short-term planning that takes into consid...

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In this paper, we introduce a general framework for vector space decompositions that decompose the set partitioning problem into a reduced problem, defined...

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Inspired by successful biological collective decision mechanisms such as honey bees searching for a new colony or the collective navigation of fish schoo...

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We consider a linear-state dynamic game played over an event tree and determine analytically the price of anarchy (PoA), as well as lower and upper bounds ...

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In this paper, we show that cooperative outcomes in a dynamic game played over an event tree can be supported strategically, that is, to be part of a subga...

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We use a newly developed model of the entire Canadian energy system (TIMES-Canada) to assess the climate change mitigation potential of different agri-food c...

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The vehicle routing problem with time windows (VRPTW) consists of finding least-cost vehicle routes to satisfy the demands of customers that can be visited...

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The subdifferential of a function is a generalization for nonsmooth functions of the concept of gradient. It is frequently used in variational analysis, part...

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Inventory routing problems aim at minimizing the cost of the total distance traveled over a time horizon discretized in periods, while guaranteeing that th...

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This paper introduces the pickup and delivery problem with time windows and handling operations. In this problem, the loading compartment of a vehicle is mod...

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