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The joint optimization of routing and loading operations is crucial to fully optimize the overall planning process in logistics, and as a result routing problems with side constraints are becoming more and more important during the last years. T[...]texto impreso
Rodríguez Velasco, Gema de Jesús ; Infante del Río, Juan Antonio ; Benavent Merchán, María Teresa ; Felipe Ortega, Ángel ; Yáñez Gestoso, Francisco Javier ; Gallego Rodrigo, Francisco Javier ; Bru Espino, Antonio Leonardo ; Porqueras Arabolaza, Fernando ; Cimadevilla Rodríguez, Francisco Javier | 2019-06-30texto impreso
This paper presents several heuristics for a variation of the vehicle routing problem in which the transportation fleet is composed of electric vehicles with limited autonomy in need for recharge during their duties. In addition to the routing p[...]texto impreso
The properties of one-dimensional photonic quasicrystals ultimately rely on their nontrivial long-range order, a hallmark that can be quantified in many ways depending on the specific aspects to be studied. Here, we assess the quasicrystal struc[...]texto impreso
The main purpose of this paper is to introduce and study the behavior of minimum (Formula presented.)-divergence estimators as an alternative to the maximum-likelihood estimator in latent class models for binary items. As it will become clear be[...]texto impreso
The Double Traveling Salesman Problem with Multiple Stacks (DTSPMS) consists on finding the minimum total length tours in two separated networks, one for pickups and one for deliveries. One item is required to be sent from each location in the f[...]texto impreso
Ortuño, M. T. ; Felipe Ortega, Ángel ; Tirado Domínguez, Gregorio | World Scientific Publ Co Pte Ltd | 2008The Double Traveling Salesman Problem with Multiple Stacks (DTSPMS) consists on finding the minimum total length tours in two separated networks, one for pickups and one for deliveries. One item is required to be sent from each location in the f[...]texto impreso
We study the minimum power-divergence estimator, introduced and studied by N. Cressie and T. R. C. Read [Multinomial goodness-of-fit tests. J. R. Stat. Soc., Ser. B 46, 440–464 (1984), in the loglinear model of quasi-independence. A simulation s[...]texto impreso
Abstract The changing requirements in transportation and logistics have recently induced the appearance of new vehicle routing problems that include complex constraints as precedence or loading constraints. One of these problems that have appea[...]texto impreso
García Barriuso, Alberto ; Monzón Serrano, Juan José ; Yonte Sanchidrián, Teresa ; Felipe Ortega, Ángel ; Sánchez Soto, Luis Lorenzo | The Optical Society Of America | 2013-12We determine the optimal thicknesses for which omnidirectional reflection from generalized Fibonacci quasicrystals occurs. By capitalizing on the idea of wavelength- and angle-averaged reflectance, we assess in a consistent way the performance o[...]texto impreso
Felipe Ortega, Ángel ; Menéndez Calleja, María Luisa ; Pardo Llorente, Leandro | Routledge Journals, Taylor & Francis | 2007-07In This Paper A New Family Of Test Statistics Is Presented For Testing The Independence. Between The Binary Response Y And An Ordered Categorical Explanatory Variable X (Doses) Against The Alternative Hypothesis Of An Increase Dose-Response Rela[...]texto impreso
Se define la versión multiobjetivo del Problema de Asignación Cuadrática. Se muestran los inconvenientes de la técnica de ponderación de objetivos y se desarrollan algoritmos locales bajo las metodologías de soluciones eficientes, lexicográficas[...]texto impreso
Sánchez García, Miguel ; Cuesta Álvaro, Pedro ; Felipe Ortega, Ángel | Academia Canaria de Ciencias | 1993In this paper, we design an algorithm to calculate the minimum sample size for the two-parameter binomial test. We test H0: p1=p2=p0 against Ha: p1=p0?? and p2=p0+?, 0texto impreso
Felipe Ortega, Ángel ; Ortuño, M. T. ; Tirado Domínguez, Gregorio | Pergamon-Elsevier Science Ltd | 2009The double traveling salesman problem with multiple stacks (DTSPMS) is a vehicle routing problem that consists on finding the minimum total length tours in two separated networks, one for pickups and one for deliveries. A set of orders is given,[...]texto impreso
Logistics and transportation issues have been receiving increasing attention during the last decades and their requirements have gradually changed, making it necessary to take into account new situations and conditions. The double traveling sale[...]
