• Naturaleza del razonamiento algebraico elemental 

  Godino, Juan D.; Castro, Walter F.; Aké, Lilia P; Rodríguez Wilhelmi, Miguel  (UNESP, 2012)   Artículo / Artikulua  

  La introducción del razonamiento algebraico en educación primaria es un tema de interés para la investigación e innovación curricular en didáctica de las matemáticas, y presupone una visión ampliada de la naturaleza del ...

• Teoría de Clifford en el anillo de Burnside 

  Lizasoain Iriso, María Inmaculada  (Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 1995)   Tesis doctoral / Doktoretza tesia  

• Some characterizations of lattice OWA operators 

  Miguel Turullols, Laura de ; Paternain Dallo, Daniel ; Lizasoain Iriso, María Inmaculada ; Ochoa Lezaun, Gustavo ; Bustince Sola, Humberto  (World Scientific Publishing Company, 2017)   Artículo / Artikulua  

  Ordered Weighted Averaging (OWA) operators are a family of aggregation which fusion data. If the data are real numbers, then OWA operators can be characterized either as an special kind of Choquet integral or simply as ...

• Binary relations coming from solutions of functional equations: orderings and fuzzy subsets 

  Campión Arrastia, María Jesús ; Miguel Turullols, Laura de ; García Catalán, Olga Raquel ; Induráin Eraso, Esteban ; Abrísqueta Usaola, Francisco Javier  (World Scientific Publishing Company, 2017)   Artículo / Artikulua  

  We analyze the main properties of binary relations, defined o n a nonempty set, that arise in a natural way when dealing with real-valued functions that satisfy certain classical functional equations on two variables. We ...

• Orness for idempotent aggregation functions 

  Legarreta, Leire; Lizasoain Iriso, María Inmaculada ; Mardones Pérez, Iraide (MDPI, 2017)   Artículo / Artikulua  

  Aggregation functions are mathematical operators that merge given data in order to obtain a global value that preserves the information given by the data as much as possible. In most practical applications, this value is ...

• An algorithm for group decision making using n -dimensional fuzzy sets, admissible orders and OWA operators 

  Miguel Turullols, Laura de ; Sesma Sara, Mikel ; Elkano Ilintxeta, Mikel ; Asiain Ollo, María José ; Bustince Sola, Humberto  (Elsevier, 2017)   Artículo / Artikulua

  In this paper we propose an algorithm to solve group decision making problems using n -dimensional fuzzy sets, namely, sets in which the membership degree of each element to the set is given by an in- creasing tuple of n ...

• Pointwise aggregation of maps: its structural functional equation and some applications to social choice theory 

  Miguel Turullols, Laura de ; Campión Arrastia, María Jesús ; Candeal, Juan Carlos; Induráin Eraso, Esteban ; Paternain Dallo, Daniel  (Elsevier, 2017)   Artículo / Artikulua

  We study a structural functional equation that is directly related to the pointwise aggregation of a finite number of maps from a given nonempty set into another. First we establish links between pointwise aggregation and ...

• Grupos primitivos con subgrupos maximales pequeños 

  Lafuente López, Julio  (Universidad Autónoma de Barcelona, Departamento de Matemáticas, 1985)   Artículo / Artikulua  

• Los retículos de las clases de Schunck normales y de las clases derivadas 

  Lafuente López, Julio  (Real Sociedad Matemática EspañolaCSIC, 1979)   Artículo / Artikulua  

  All groups to be considered are finite. The main result of this paper is the following: the normal Schunck classes compose a complete and distributive lattice antiisomorphic to the lattice composed by the derived classes. ...

• Design of low-cost smart accelerometers 

  Carlosena García, Alfonso ; López Martín, Antonio ; Massarotto, Marco ; Cruz Blas, Carlos Aristóteles de la ; Lecumberri Villamediana, Pablo ; Gómez Fernández, Marisol ; Pintor Borobia, Jesús María ; Gárriz Sanz, Sergio  (Universitat Politècnica de Catalunya, 2005)   Artículo / Artikulua  

  The goal of this project is to design a low-cost smart accelerometer, making use of a piezoelectric element as basic sensing material, and adding a mixed-mode conditioning circuit.

• Computation of greatest common divisor for the blind deconvolution of transient impulsive signals 

  Lecumberri Villamediana, Pablo ; Gómez Fernández, Marisol ; Carlosena García, Alfonso  (Universitat Politècnica de Catalunya, 2005)   Contribución a congreso / Biltzarrerako ekarpena  

  We propose a new blind deconvolution method for transient impulsive signals in a single input – multiple output (SIMO) system. The method exploits the data redundancy inherent to SIMO multichannel systems to obtain an ...

• The lattice of fitting classes which are right extensible by soluble groups 

  Iranzo, M.J.; Lafuente López, Julio ; Pérez Monasor, F. (Universidad Autónoma de Barcelona, Departamento de Matemáticas, 2005)   Artículo / Artikulua  

  In this paper we study the set of fitting classes which are right extensible by soluble groups ordered by the inclusion relation. The consideration of the associated lattices gives rise to new fitting classes and it allows ...

• Interval-valued Atanassov intuitionistic OWA aggregations using admissible linear orders and their application to decision making 

  Miguel Turullols, Laura de ; Bustince Sola, Humberto ; Pekala, Barbara; Bentkowska, Urszula; Silva, Ivanoska da; Bedregal, Benjamin; Mesiar, Radko; Ochoa Lezaun, Gustavo  (IEEE, 2016)   Artículo / Artikulua  

  Based on the definition of admissible order for interval-valued Atanassov intuitionistic fuzzy sets, we study OWA operators in these sets distinguishing between the weights associated to the membership and those associated ...

• Instrumentación del medio material GeoGebra e idoneidad didáctica en procesos de resolución de sistemas de ecuaciones 

  Lasa Oyarbide, Aitzol  (2016)   Tesis doctoral / Doktoretza tesia  

  En la Educación Secundaria, el docente utiliza el software de geometría dinámica en su práctica profesional de forma palpable, aunque minoritaria. La utilización del software GeoGebra es innovadora, pero dista de estar ...

• Pre-operative ambulatory measurement of asymmetric lower limb loading during walking in total hip arthroplasty patients 

  Martínez Ramírez, Alicia ; Weenk, Dirk; Lecumberri Villamediana, Pablo ; Verdonschot, Nico; Pakvis, Dean; Veltink, Peter H. (BioMed Central, 2013)   Artículo / Artikulua  

  Background: Total hip arthroplasty is a successful surgical procedure to treat hip osteoarthritis. Clinicians use different questionnaires to assess the patient’s pain and functional capacity. Furthermore, they assess the ...

• An evaluation of the 30-s chair stand test in older adults: frailty detection based on kinematic parameters from a single inertial unit 

  Millor Muruzábal, Nora ; Lecumberri Villamediana, Pablo ; Gómez Fernández, Marisol ; Martínez Ramírez, Alicia ; Izquierdo Redín, Mikel  (BioMed Central, 2013)   Artículo / Artikulua  

  Background: A growing interest in frailty syndrome exists because it is regarded as a major predictor of co-morbidities and mortality in older populations. Nevertheless, frailty assessment has been controversial, particularly ...

• Frailty assessment based on trunk kinematic parameters during walking 

  Martínez Ramírez, Alicia ; Martinikorena Aranburu, Ion ; Gómez Fernández, Marisol ; Lecumberri Villamediana, Pablo ; Millor Muruzábal, Nora ; Rodríguez Mañas, Leocadio; García García, Francisco José; Izquierdo Redín, Mikel  (BioMed Central, 2015)   Artículo / Artikulua  

  Background: Physical frailty has become the center of attention of basic, clinical and demographic research due to its incidence level and gravity of adverse outcomes with age. Frailty syndrome is estimated to affect 20 % ...

• Assessment of asymmetric leg loading before and after total hip arthroplasty using instrumented shoes 

  Martínez Ramírez, Alicia ; Weenk, Dirk; Lecumberri Villamediana, Pablo ; Verdonschot, Nico; Pakvis, Dean; Veltink, Peter H. (BioMed Central, 2014)   Artículo / Artikulua  

  Background: Total hip arthroplasty is a successful surgical treatment in patients with osteoarthritis of the hip. Different questionnaires are used by the clinicians to assess functional capacity and the patient's pain, ...

• Construction of admissible linear orders for interval-valued Atanassov intuitionistic fuzzy sets with an application to decision making 

  Miguel Turullols, Laura de ; Bustince Sola, Humberto ; Fernández Fernández, Francisco Javier ; Induráin Eraso, Esteban ; Kolesárová, Anna; Mesiar, Radko (Elsevier, 2015)   Artículo / Artikulua  

  In this work we introduce a method for constructing linear orders between pairs of intervals by using aggregation functions. We adapt this method to the case of interval-valued Atanassov intuitionistic fuzzy sets and we ...

• Comparison meaningful operators and ordinal invariant preferences 

  Candeal, Juan Carlos; Induráin Eraso, Esteban  (Elsevier, 2015)   Artículo / Artikulua  

  The existence of a continuous and order-preserving real-valued function, for the class of continuous and ordinal invariant total preorders, defined on the Banach space of all bounded real-valued functions, which are in ...

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