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Now showing items 21-40 of 3950

    • 7demates: memòria: curs 2017-18 

      Alsina Aubach, Montserrat (2018-07)
      Research report
      Open Access
    • A 3D model for building condition assessment 

      Banaszek, Anna; Banaszek, Sebastian; Cellmer, Anna; Gibert Armengol, Vicente; Serrat Piè, Carles (2020)
      Conference report
      Open Access
      The aim of the paper is to analyze practical aspects with use of 3D Model for accurate building condition assessment. Use of fully interactive visualization methods from a technical condition assessment platform going to ...
    • A b-symplectic slice theorem 

      Braddell, Roisin; Miranda Galcerán, Eva; Kiesenhofer, Anna (2022-08-03)
      Article
      Open Access
      In this article, motivated by the study of symplectic structures on manifolds with boundary and the systematic study of -symplectic manifolds started in Guillemin, Miranda, and Pires Adv. Math. 264 (2014), 864–896, we prove ...
    • A b-symplectic slice theorem 

      Dempsey Bradell, Roisin Mary; Kiesenhofer, Anna; Miranda Galcerán, Eva (2020-09)
      Research report
      Open Access
      In this article, motivated by the study of symplectic structures on manifolds with bound-ary and the systematic study ofb-symplectic manifolds started in [10], we prove a slice theorem forLie group actions onb-symplectic manifolds
    • A bioinspired methodology based on an artificial immune system for damage detection in structural health monitoring 

      Anaya, Maribel; Tibaduiza Burgos, Diego Alexander; Pozo Montero, Francesc (2015-01-01)
      Article
      Open Access
      Among all the aspects that are linked to a structural health monitoring (SHM) system, algorithms, strategies, or methods for damage detection are currently playing an important role in improving the operational reliability ...
    • A black-box model for neurons 

      Roqueiro, Nestor; Claumann, Carlos; Guillamon Grabolosa, Antoni; Fossas Colet, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Open Access
      We explore the identification of neuronal voltage traces by artificial neural networks based on wavelets (Wavenet). More precisely, we apply a modification in the representation of dynamical systems by Wavenet which decreases ...
    • A blended learning/teaching methodology case study in the context of the EngiMath@UPC+ innovation project 

      Serrat Piè, Carles; Estela Carbonell, M. Rosa; Anento Moreno, Napoleón; Bruguera Padró, Maria Montserrat; Marcote Ordax, Francisco Javier; Mora Giné, Mercè; Pantazi, Chara (International Association of Technology, Education and Development (IATED), 2024)
      Conference lecture
      Open Access
      The EngiMath@UPC+ project consists of a proposal to introduce an online training material, the main output of the European ERASMUS+ EngiMath project, as a blended learning methodology in a wide range of Linear Algebra ...
    • A boundary control technique to the string-tip-mass system based on a non-symmetric peak-detector model 

      Acho Zuppa, Leonardo; Pujol Vázquez, Gisela (2017)
      Conference report
      Restricted access - publisher's policy
      This paper presents a vibration control design to the string-tip-mass system by using a non-symmetric peakdetector mechanism. Previously, this peak-detector system was used as an easy algorithm to mitigate vibration on ...
    • A brief introduction to synthetic differential geometry 

      Pérez Scornik, Gaspar (Universitat Politècnica de Catalunya, 2017-09)
      Bachelor thesis
      Open Access
      The goal of this thesis is to explore the basic axiomatic theory of Syn- thetic Differential Geometry (SDG). This field aims to put the study of smooth manifolds, and geometry therein, in a topos-theoretic framework. Though ...
    • A BRILS metaheuristic for non-smooth flow-shop problems with failure-risk costs 

      Ferrer Biosca, Alberto; Guimarans, Daniel; Ramalhinho Lourenço, Helena; Juan Pérez, Ángel Alejandro (2016-02-01)
      Article
      Open Access
      This paper analyzes a realistic variant of the Permutation Flow-Shop Problem (PFSP) by considering a non-smooth objective function that takes into account not only the traditional makespan cost but also failure-risk costs ...
    • A Caginalp phase-field system based on type III heat conduction with two temperatures 

      Miranville, Alain; Quintanilla de Latorre, Ramón (2016-06-01)
      Article
      Open Access
      Our aim in this paper is to study a generalization of the Caginalp phasefield system based on the theory of type III thermomechanics with two temperatures for the heat conduction. In particular, we obtain well-posedness ...
    • A canonical realization of the Weyl BMS symmetry 

      Batlle Arnau, Carles; Campello Román, Víctor Manuel; Gomis Torné, Joaquim (Elsevier, 2020-12-10)
      Article
      Open Access
    • A Categorical approach to Tannaka Duality 

      Alsina Oriol, Guillem (Universitat Politècnica de Catalunya, 2016-07)
      Master thesis
      Open Access
      The aim of this work is to study, in a categorical context, similar results to the Tannaka-Krein duality theorem. We prove a reconstruction theorem which allows one to recover a given group G as the monoid of natural ...
    • A Central Limit Theorem for inner functions 

      Nicolau Nos, Artur; Soler i Gibert, Odí (2022-06)
      Article
      Open Access
      A Central Limit Theorem for linear combinations of iterates of an inner function is proved. The main technical tool is Aleksandrov Disintegration Theorem for Aleksandrov-Clark measures.
    • A chaotic secure communication system design based on iterative learning control theory 

      Acho Zuppa, Leonardo (Multidisciplinary Digital Publishing Institute, 2016-10-01)
      Article
      Open Access
      This paper presents an application of Iterative Learning Control (ILC) theory to secure communication system design by using chaotic signals, where the logistic-map is employed as a source of chaos. Meanwhile, the ILC ...
    • A characterization of weighted simple games based on pseudoweightings 

      Freixas Bosch, Josep (2020-09-14)
      Article
      Open Access
      The paper provides a new characterization of weighted games within the class of simple games. It is based on a stronger form of the point-set-additive pseudoweighting property of simple games. The characterization obtained ...
    • A classroom activity to work with real data and diverse strategies in order to build diverse models with the help of the computer 

      Ginovart Gisbert, Marta (2015)
      Article
      Open Access
      Taking into account that the majority of the models with more tradition in the mathematical curriculum to represent temporal evolutions of the number of individuals are continuous models in the class of empirical models, ...
    • A Classroom activity to work with real data and diverse strategies in order to build models with the help of the computer 

      Ginovart Gisbert, Marta (Springer, 2017)
      Part of book or chapter of book
      Restricted access - publisher's policy
      Dealing with pseudo-mechanistic models, which are continuous and empirical models where the parameters involved have a meaning according to the context where they are applied, has an added value. The aim of this study was ...
    • A collaborative inter-grades statistical inquiry: design and first steps introduction: inquiry and statistics 

      Freixanet de la Iglesia, Maria Josep; Alsina Aubach, Montserrat; Bosch Casabò, Marianna (Gesellschaft für Didaktik der Mathematik, 2024)
      Conference lecture
      Open Access
      We present the design and initial implementation of three complementary inquiry-based instructional proposals in statistics about air pollution. The core idea is the interweaving of these three proposals, which will be ...
    • A combinatorial expression for the group inverse of symmetric M-matrices 

      Carmona Mejías, Ángeles; Encinas Bachiller, Andrés Marcos; Mitjana Riera, Margarida (De Gruytr, 2021-04-27)
      Article
      Open Access
      By using combinatorial techniques, we obtain an extension of the matrix-tree theorem for general symmetric M-matrices with no restrictions, this means that we do not have to assume the diagonally domi nance hypothesis. We ...