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Colecciones en esta comunidad

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  • Einstein connections on Lorentzian spheres 

    Draper-Fontanals, Cristina (2020-03-05)
    A comparison between Riemannian and Lorentzian spheres as regards the existence of Einstein connections with skew-torsion
  • Octonions and exceptional Lie algebras 

    Draper-Fontanals, Cristina (2020-03-05)
    It is well known that octonions (both real and complex) are very involved in the structure of the exceptional Lie algebras. We will explore several aspects of this relationship: how octonions provide models of the exceptional ...
  • Asymptotic merging of nodes set for stochastic networks with nonhomogeneous input 

    Livinska, Hanna (2020-03-05)
    When one investigate mathematical models of information-computing networks, data networks, and mobile communications, one of the main problems is connected with the large dimension of descriptive processes and complexity ...
  • Steady-state analysis of M/M/c/c+m – type retrial queueing systems with constant retrial rate 

    Lebedev, Eugene (2020-03-05)
    The presentation deals with a research of bivariate Markov process {X(t), t>0} whose state space is a lattice semistrip S(X)={0,1,..., c+m}. The process X(t) describes the service policy of a multi-server retrial queue ...
  • Option pricing and stochastic optimization 

    Shchestyuk, Nataliya (2020-03-04)
    In this paper will be demonstrated that the link between optimal option value, risk measuring and risk managing is especially close, and it is given by stochastic optimization. Post the financial crisis of 2008 it has ...
  • Feature-driven improvement of renewable energy forecasting and trading 

    Muñoz, Miguel Ángel; Morales, Juan Miguel; Pineda, Salvador (2020-02-26)
    Inspired from recent insights into the common ground of machine learning, optimization and decision-making, this paper proposes an easy-to-implement, but effective procedure to enhance both the quality of renewable energy ...
  • CLIL Implementation applied to Mathematics for Engineering 

    Rodriguez-Sanchez, Francisco Joaquin; Yélamos Guerra, María Salomé; Ruiz Rey, Francisco J. (2019-12-20)
    CLIL methodology aims to facilitate the learning of contents in a second language. Authors have tested an experience of implementation in English of these methods in subjects of Mathematics for Engineering at the University ...
  • Liderazgo stematesella (Cuarta sesión) 

    Antón, Marta (2019-11-25)
    Cuarta sesión del programa SteMatesella. El objetivo fundamental de dicho programa es dotar a las participantes de las competencias necesarias para una trayectoria brillante: un programa de mentoría, uno de competencias ...
  • Basic Ideals in evolution algebras 

    Cabrera Casado, Yolanda (2019-11-20)
    Recently a new type of genetic algebras, denominated evolution algebras, has emerged to enlighten the study of non-Mendelian genetics, which is the basic language of the molecular Biology. With the aim of finding invariants ...
  • A retrial discrete-time queueing system with actions in the server 

    Atencia-McKillop, Ivan (2019-10-31)
    This paper considers a discrete-time retrial queueing system with movements. The arriving customers can opt to go directly to the server obtaining immediately their service or to join the orbit. In the first case, if the ...
  • New functions for random samples generation using Stata 15 

    Aguilera-Venegas, Gabriel; Galán-García, José Luis; Galán-García, María Ángeles; Padilla-Domínguez, Yolanda; Rodriguez-Cielos, Pedro (2019-10-30)
    In the 2017 Spanish Stata Users Group meeting, held in Madrid on October 19th, we introduced some functions for generating random samples from continuous and discrete distributions using STATA 13. In this talk, we will ...
  • Modelado y descripción de series de tiempo utilizando técnicas basadas en la lógica difusa 

    Moreno García, Juan (2019-10-28)
    La generación de descripciones lingüísticas a partir de datos en bruto es una línea de investigación importante actualmente. Este tipo de descripciones se utilizan, por ejemplo, en asistentes virtuales como Alexa, Google ...
  • A new family of Einstein manifolds based on nonassociative structures 

    Draper-Fontanals, Cristina (2019-10-28)
    For each central simple symplectic triple system over the real numbers, the standard enveloping Lie algebra and the algebra of inner derivations of the triple provide a reductive pair related to a semi-Riemannian homogeneous ...
  • Liderazgo steMatEsElla (Tercera sesión) 

    Antón, Marta (2019-09-16)
    En 2019 se inicia la segunda edición del programa MatEsElla. El programa constará de cuatro fases con las que se tratará de dotar a las participantes de las competencias necesarias para una trayectoria brillante: un programa ...
  • Using a CAS-developed random samples generator for teaching and research in probabilistic cellular automata and Statistics 

    Aguilera-Venegas, Gabriel; Galán-García, José Luis; Galán-García, María Ángeles; Rodriguez-Cielos, Pedro; Padilla-Domínguez, Yolanda; [et al.] (2019-07-25)
    Our group introduced random samples generation using a CAS, specifically Derive, in the Derive session of ACA 2009. This talk was extended in a paper published in The Derive Newsletter. In the year 2017 we presented a ...
  • Teaching the residue theorem and its applications with a CAS 

    Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Padilla-Domínguez, Yolanda; Galán-García, María Ángeles (2019-07-25)
    The residue theorem is one of the most interesting result in Complex Analysis which allows not only computations in C, the Field of Complex Numbers, but also provides many applications in the Field of Real Numbers R. In ...
  • SFOPDES: A stepwise tutorial for teaching Partial Differential Equations using a CAS 

    Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Padilla-Domínguez, Yolanda; Galán-García, María Ángeles; [et al.] (2019-07-25)
    Partial Differential Equations (PDE) are one of the most difficult topics that Engineering and Sciences students have to study in the different Math subjects in their degree. In this talk we introduce SFOPDES (Stepwise ...
  • Liderezgo steMatEsElla (segunda sesión) 

    Antón, Marta (2019-06-20)
    Segunda sesión del programa LIDERAZGO STEMATESELLA que tiene como objetivo conectar de un modo continuo y directo a jóvenes que estudien el grado o el máster en STEM con científicas y/o empresarias con el objeto de que las ...
  • Dynamic clustering of time series with Echo State Networks 

    Atencia-Ruiz, Miguel Alejandro; Stoean, Catalin; Stoean, Ruxandra; Rodriguez Labrada, Roberto; Joya-Caparrós, Gonzalo (2019-06-05)
    In this paper we introduce a novel methodology for unsupervised analysis of time series, based upon the iterative implementation of a clustering algorithm embedded into the evolution of a recurrent Echo State Network. The ...
  • Fostering the cooperative learning of mathematics in engineering schools through the "Teacher-Apprentice" group dynamics 

    Morales, Juan M.; Olea, Benjamín; Atencia-Ruiz, Miguel Alejandro; Madrid, Nicolás (2019-05-30)
    In this presentation, we report on the experience gained and the results obtained from an educational innovation project that has sought to introduce cooperative learning into the mathematics subjects of the first year of ...