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Listar por autor "Martínez Rodríguez, David"

Mostrando ítems 1-20 de 20

A Heuristic optimization approach to solve berth allocation problem

Burgos-Simon, Clara; Cortés, J.-C.; Martínez-Rodríguez, David; Villanueva Micó, Rafael Jacinto (R. Company, J. C. Cortés, L. Jódar and E.López-Navarro, 2019-07-12)
A particle swarm optimization algorithm with novelty search for combustion systems with ultra-low emissions and minimum fuel consumption

Martínez-Rodríguez, David; Novella Rosa, Ricardo; Bracho Leon, Gabriela; Gómez-Soriano, Josep; Fernandes, Cássio; Lucchini, Tommaso; Della Torre, Augusto; Villanueva Micó, Rafael Jacinto; Hidalgo, J. Ignacio (Elsevier, 2023-08)

[EN] The particle swarm optimization algorithm is primarily inspired by the natural behaviour of swarms and achieves important results in different applications. However, it is not exempt from stagnation in local optima ...
Analysis of Key Factors of a SARS-CoV-2 Vaccination Program: A Mathematical Modeling Approach

Martínez-Rodríguez, David; González Parra, Gilberto; Villanueva Micó, Rafael Jacinto (MDPI AG, 2021-04-01)

[EN] The administration of vaccines against the coronavirus disease 2019 (COVID-19) started in early December of 2020. Currently, there are only a few approved vaccines, each with different efficacies and mechanisms of ...
Análisis de sistema de innovación español y su incidencia en la economía. Comparativa con países de nuestro entorno

Ortega González, Mario (Universitat Politècnica de València, 2020-10-15)

[ES] En el presente trabajo analizaremos la situación española respecto a la innovación. Estudiaremos en qué sectores se invierte más, si en el público o en el privado, y cuáles son los factores que pueden afectar a la ...
Computational modelling with uncertainty of frequent users of e-commerce in Spain using an age-group dynamic nonlinear model with varying size population

Burgos-Simon, Clara; Cortés, J.-C.; Martínez-Rodríguez, David; Villanueva Micó, Rafael Jacinto (World Scientific, 2019-07)

[EN] Electronic commerce (EC) has numerous advantages. It allows saving time when we purchase an item, offers the possibility of review without depending on the schedules of traditional stores, access to a wider variety ...
Construcción de una cartera de mínimo riesgo a corto plazo con acciones de Endesa y CaixaBank mediante un modelo estocástico

Vañó Ferre, Pablo (Universitat Politècnica de València, 2020-10-14)

[ES] En este TFG se describe un procedimiento para diseñar una cartera compuesta de acciones de las empresas Endesa y CaixaBank, que cotizan en el IBEX-35, que a corto plazo (5 días) minimicen el riesgo de la inversión en ...
Construcción de una cartera inversora para el Banco BBVA, Mapfre e Inditex a partir de datos Intradía

Ruiz Ferrando, Tamara (Universitat Politècnica de València, 2020-08-13)

[ES] En este TFG se construirá un modelo estocástico de carteras financieras en ambiente de incertidumbre para los activos BBVA, Mapfre e Inditex. La dinámica de los subyacentes cotizados se modelizará con ecuaciones ...
Effect of the early use of antivirals on the COVID-19 pandemic. A computational network modeling approach

Benlloch Baviera, Jose María; Cortés, J.-C.; Martínez-Rodríguez, David; San Julián-Garcés, Raúl; Villanueva Micó, Rafael Jacinto (Elsevier, 2020-11)

[EN] It seems that we are far from controlling COVID-19 pandemics, and, consequently, returning to a fully normal life. Until an effective vaccine is found, safety measures as the use of face masks, social distancing, ...
Epidemiological modelling of COVID-19 in Granada, Spain: Analysis of future scenarios

Garrido, José-Manuel; Martínez-Rodríguez, David; Rodríguez-Serrano, Fernando; Julián, Raúl S.; Villanueva Micó, Rafael Jacinto (2020-07-10)
Estudio de la predicción de la demanda energética de España implementando un algoritmo genético a Gramáticas Evolutivas

Martínez Rodríguez, David (Universitat Politècnica de València, 2018-10-15)

[ES] La predicción del consumo de energía de un país es una herramienta fundamental para la previsión de futuros de una empresa u organización, sobre todo en un país tan dependiente de las importaciones de petróleo como ...
Impact of a New SARS-CoV-2 Variant on the Population: A Mathematical Modeling Approach

González Parra, Gilberto; Martínez-Rodríguez, David; Villanueva Micó, Rafael Jacinto (MDPI AG, 2021-03-27)

[EN] Several SARS-CoV-2 variants have emerged around the world, and the appearance of other variants depends on many factors. These new variants might have different characteristics that can affect the transmissibility and ...
Mathematical modeling of the dynamics of the bladder cancer and the immune response applied to a patient: Evolution and short-term prediction

Burgos-Simon, Clara; García-Medina, N.; Martínez-Rodríguez, David; Villanueva Micó, Rafael Jacinto (John Wiley & Sons, 2019-11-30)

[EN] Bladder cancer is one of the most common malignant diseases in the urinary system and a highly aggressive neoplasm. The prognosis is not favorable usually, and its evolution for particular patients is very difficult ...
Modeling breast tumor growth by a randomized logistic model: A computational approach to treat uncertainties via probability densities

Burgos-Simón, Clara; Cortés, J.-C.; Martínez-Rodríguez, David; Villanueva Micó, Rafael Jacinto (Springer, 2020-10-14)

[EN] We consider a randomized discrete logistic equation to describe the dynamics of breast tumor volume. We propose a method, that takes advantage of the principle of maximum entropy, to assign reliable distributions ...
Modeling COVID-19 with Uncertainty in Granada, Spain. Intra-Hospitalary Circuit and Expectations over the Next Months

Garrido, Jose M.; Martínez-Rodríguez, David; Rodriguez-Serrano, Fernando; Sferle, Sorina-M.; Villanueva Micó, Rafael Jacinto (MDPI AG, 2021-05-17)

[EN] Mathematical models have been remarkable tools for knowing in advance the appropriate time to enforce population restrictions and distribute hospital resources. Here, we present a mathematical Susceptible-Exposed-In ...
Modelling the dynamics of frequent users of electronic commenrce in Spain using optimization techniques for inverse problems with uncertainty

Burgos-Simon, Clara; Cortés, J.-C.; Lombana, Iván Camilo; Martínez Rodríguez, David; Villanueva Micó, Rafael Jacinto (Springer-Verlag, 2018)

[EN] In this paper, we retrieve data about the frequent users of electronic commerce during the period 2011-2016 from the Spanish National Institute of Statistics. These data,coming from surveys, have intrinsic uncertainty ...
Modelo matemático optimizado para la predicción y planificación de la asistencia sanitaria por la COVID-19

Garrido, J.M.; Martínez Rodríguez, David; Rodríguez-Serrano, F.; Pérez-Villares, J.M.; Ferreiro-Marzal, A.; Jiménez-Quintana, M.M.; Villanueva Micó, Rafael Jacinto; Grupo de Estudio COVID 19 Granada (Elsevier, 2022-05)

[EN] Objective The COVID-19 pandemic has threatened to collapse hospital and ICU services, and it has affected the care programs for non-COVID patients. The objective was to develop a mathematical model designed to optimize ...
Network computational model to estimate the effectiveness of the influenza vaccine a posteriori

Martínez-Rodríguez, David; San Julián-Garcés, Raúl; López-Navarro, Elena; Villanueva Micó, Rafael Jacinto (R. Company, J. C. Cortés, L. Jódar and E.López-Navarro, 2019-07-12)
Optimization Algorithm Based on Novelty Search Applied to the Treatment of Uncertainty in Models

Martínez Rodríguez, David (Universitat Politècnica de València, 2021-12-23)

[ES] La búsqueda novedosa es un nuevo paradigma de los algoritmos de optimización, evolucionarios y bioinspirados, que está basado en la idea de forzar la búsqueda del óptimo global en aquellas partes inexploradas del ...
Particle swarm grammatical evolution for energy demand estimation

Martínez-Rodríguez, David; Colmenar, J. Manuel; Hidalgo, J. Ignacio; Villanueva Micó, Rafael Jacinto; Salcedo-Sanz, Sancho (John Wiley & Sons Ltd, 2020-04)

[EN] Grammatical Swarm is a search and optimization algorithm that belongs to the more general Grammatical Evolution family, which works with a set of solutions called individuals or particles. It uses the Particle Swarm ...
Un modelo de oferta y demanda con incertidumbre

Burgos Simón, Clara; Cortés López, Juan Carlos; Martínez Rodríguez, David; Navarro Quiles, Ana; Villanueva Micó, Rafael Jacinto (Universitat Politècnica de València, 2019-02-08)

[EN] The stationary oer and supply models are useful in order to describe different macro-economical scenarios, for this reason they are one of the most essential tools in different subjects like Macroeconomics taught in ...