• Basketball player on-body biophysical and environmental parameter monitoring based on wireless sensor network integration 

  Picallo Guembe, Imanol  ; López iturri, Peio  ; Astrain Escola, José Javier  ; Aguirre Gallego, Erik  ; Azpilicueta Fernández de las Heras, Leyre  ; Celaya-Echarri, Mikel; Villadangos Alonso, Jesús  ; Falcone Lanas, Francisco   (IEEE, 2021)   Artículo / Artikulua  

  Sport activities have benefited in recent years from the progressive adoption of different technological assets in order to improve individual as well as group training, collect different statistics or enhance the spectator ...

• Radio wave propagation and WSN deployment in complex utility tunnel environments 

  Celaya Echarri, Mikel; Azpilicueta Fernández de las Heras, Leyre  ; López Iturri, Peio  ; Picallo Guembe, Imanol  ; Aguirre Gallego, Erik  ; Astrain Escola, José Javier  ; Villadangos Alonso, Jesús  ; Falcone Lanas, Francisco Javier   (MDPI, 2020)   Artículo / Artikulua  

  The significant growth of wireless communications systems in the last years has led to the adoption of a wide range of applications not only for the general public but, also, including utilities and administrative authorities. ...

• Decoupling mixed finite elements on hierarchical triangular grids for parabolic problems 

  Arrarás Ventura, Andrés  ; Portero Egea, Laura   (Elsevier, 2018)   Artículo / Artikulua  

  In this paper, we propose a numerical method for the solution of time-dependent flow problems in mixed form. Such problems can be efficiently approximated on hierarchical grids, obtained from an unstructured coarse ...

• Optimal monotonicity-preserving perturbations of a given Runge–Kutta method 

  Higueras Sanz, Inmaculada  ; Ketcheson, David I.; Kocsis, Tihamér A. (Springer, 2018)   Artículo / Artikulua  

  Perturbed Runge–Kutta methods (also referred to as downwind Runge–Kutta methods) can guarantee monotonicity preservation under larger step sizes relative to their traditional Runge–Kutta counterparts. In this paper we study ...

• Convergent and asymptotic expansions of solutions of differential equations with a large parameter: Olver cases II and III 

  Ferreira González, Chelo ; López García, José Luis  ; Pérez Sinusía, Ester   (Rocky Mountain Mathematics Consortium, 2015)   Artículo / Artikulua  

  This paper continues the investigation initiated in [Lopez, 2013]. We consider the asymptotic method designed by F. Olver [Olver, 1974] for linear differential equations of the second order containing a large (asymptotic) ...

• Representations of hypergeometric functions for arbitrary parameter values and their use 

  Karp, D. B.; López García, José Luis   (2017)   Artículo / Artikulua  

  Integral representations of hypergeometric functions proved to be a very useful tool for studying their properties. The purpose of this paper is twofold. First, we extend the known representations to arbitrary values of ...

• Asymptotic behaviour of the Urbanik semigroup 

  Berg, Christian; López García, José Luis   (Elsevier, 2015)   Artículo / Artikulua  

  We revisit the product convolution semigroup of probability densities ec(t); c > 0 on the positive half-line with moments (n!)c and determine the asymptotic behaviour of ec for large and small t > 0. This shows that (n!)c ...

• New series expansions of the 3F2 function 

  López García, José Luis  ; Pagola Martínez, Pedro Jesús ; Pérez Sinusía, Ester   (2015)   Artículo / Artikulua  

  We can use the power series definition of 3F2(a1, a2, a3; b1, b2; z) to compute this function for z in the unit disk only. In this paper we obtain new expansions of this function that are convergent in larger domains. ...

• From start to finish: teenagers on the autism spectrum developing their own collaborative game 

  Bossavit, Benoît  ; Parsons, Sarah (Emerald, 2017)   Artículo / Artikulua  

  Purpose: The purpose of this paper is to investigate how teenagers on the autism spectrum respond to their involvement in the creation of a collaborative game, meeting the curriculum requirements in programming at secondary ...

• Modified Douglas splitting methods for reaction–diffusion equations 

  Arrarás Ventura, Andrés  ; Hout, K. J. in ’t; Hundsdorfer, W.; Portero Egea, Laura   (Springer, 2017)   Artículo / Artikulua  

  We present modifications of the second-order Douglas stabilizing corrections method, which is a splitting method based on the implicit trapezoidal rule. Inclusion of an explicit term in a forward Euler way is straightforward, ...

• Orthogonal basis for the optical transfer function 

  Ferreira González, Chelo ; López García, José Luis  ; Navarro, Rafael; Pérez Sinusía, Ester   (Optical Society of America, 2016)   Artículo / Artikulua  

  We propose systems of orthogonal functions qn to represent optical transfer functions (OTF) characterized by including the diffraction-limited OTF as the first basis function q0 OTF perfect. To this end, we apply a powerful ...

• Orthogonal basis with a conicoid first mode for shape specification of optical surfaces: reply 

  Ferreira González, Chelo ; López García, José Luis  ; Navarro, Rafael; Pérez Sinusía, Ester   (Optical Society of America, 2016)   Artículo / Artikulua  

  We present some comments to the paper 'Orthogonal basis with a conicoid first mode for shape specification of optical surfaces: comment'.

• Avoiding the order reduction when solving second-order in time PDEs with Fractional Step Runge–Kutta–Nyström methods 

  Moreta, M. Jesús; Bujanda Cirauqui, Blanca  ; Jorge Ulecia, Juan Carlos   (Elsevier, 2016)   Artículo / Artikulua  

  We study some of the main features of Fractional Step Runge–Kutta–Nyström methods when they are used to integrate Initial–Boundary Value Problems of second order in time, in combination with a suitable spatial discretization. ...

• Scalability approaches for causal multicast: a survey 

  Juan Marín, Rubén de; Decker, Hendrik; Armendáriz Íñigo, José Enrique  ; Bernabéu Aubán, José M.; Muñoz Escoí, Francesc D. (Springer, 2016)   Artículo / Artikulua  

  Many distributed services need to be scalable: internet search, electronic commerce, e-government... In order to achieve scalability those applications rely on replicated components. Because of the dynamics of growth and ...

• A fully discrete Calderón calculus for the two-dimensional elastic wave equation 

  Domínguez Baguena, Víctor  ; Sánchez Vizuet, Tonatiuh; Sayas, Francisco Javier (Elsevier, 2015)   Artículo / Artikulua  

  In this paper we present a full discretization of the layer potentials and boundary integral operators for the elastic wave equation on a parametrizable smooth closed curve in the plane. The method can be understood as a ...

• Improved accuracy for time-splitting methods for the numerical solution of parabolic equations 

  Arrarás Ventura, Andrés  ; Portero Egea, Laura   (Elsevier, 2015)   Artículo / Artikulua  

  In this work, we study time-splitting strategies for the numerical approximation of evolutionary reaction–diffusion problems. In particular, we formulate a family of domain decomposition splitting methods that overcomes ...

• Eventual consistency: origin and support 

  Muñoz Escoí, Francesc D.; García Escrivá, José Ramón; Sendra Roig, Juan Salvador; Bernabéu Aubán, José M.; González de Mendívil Moreno, José Ramón   (Slovak Academy of Sciences, Institute of Informatics, 2018)   Artículo / Artikulua  

  Eventual consistency is demanded nowadays in geo-replicated services that need to be highly scalable and available. According to the CAP constraints, when network partitions may arise, a distributed service should choose ...

• Order barrier for low-storage DIRK methods with positive weights 

  Higueras Sanz, Inmaculada  ; Roldán Marrodán, Teodoro   (Springer, 2018)   Artículo / Artikulua  

  In this paper we study an order barrier for low-storage diagonally implicit Runge-Kutta (DIRK) methods with positive weights. The Butcher matrix for these schemes, that can be implemented with only two memory registers in ...

• An efficient numerical method for singularly perturbed time dependent parabolic 2D convection-diffusion systems 

  Clavero, Carmelo; Jorge Ulecia, Juan Carlos   (Elsevier, 2018)   Artículo / Artikulua  

  In this paper we deal with solving efficiently 2D linear parabolic singularly perturbed systems of convection–diffusion type. We analyze only the case of a system of two equations where both of them feature the same diffusion ...

• Educational games to enhance museum visits for schools 

  Bossavit, Benoît  ; Pina Calafi, Alfredo  ; Sánchez Gil, Isabel ; Urtasun, Aitziber (National Taiwan Normal University, 2018)   Artículo / Artikulua  

  Museums usually look for new educational tools to enhance their exhibition. The Oteiza's museum in Navarre (Spain) especially gives importance to the dissemination of Jorge Oteiza's work to children at schools. Consequently, ...

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