Now showing items 1-20 of 26

    • Agent-based framework for simulation of networked systems with adaptive modularity 

      Gallud Cidoncha, Ximo (Universitat Politècnica de Catalunya, 2016-10-25)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Cornell University
      This Bachelor Thesis aims to draw a first approach for building a highly versatile tool to simulate systems with adaptive modularity, that is, systems that are able to adapt their functional capabilities according to the ...
    • Amplitude death and restoration in networks of oscillators with random-walk diffusion 

      Clusella Coberó, Pau; Pastor Satorras, Romualdo (2021-01-26)
      Article
      Open Access
      Systems composed of reactive particles diffusing in a network display emergent dynamics. While Fick’s diffusion can lead to Turing patterns, other diffusion schemes might display more complex phenomena. Here we study the ...
    • Assessing diversity in multiplex networks 

      Carpi, Laura C.; Schieber, Tiabo A.; Pardalos, Panos M.; Marfany Nadal, Gemma; Masoller Alonso, Cristina; Díaz Guilera, Albert; Ravetti, Martin G. (Nature, 2019-03-14)
      Article
      Open Access
      Diversity, understood as the variety of different elements or configurations that an extensive system has, is a crucial property that allows maintaining the system’s functionality in a changing environment, where failures, ...
    • Cascade failures in complex networks. 

      Sanchez Marin, Llorenç (Universitat Politècnica de Catalunya, 2018-06-13)
      Bachelor thesis
      Open Access
      Globalization plays an important role in our society. There is a need to be connected and have the ability to reach any place in the world, for this purpose different networks or systems had been created such as Internet, ...
    • Complex systems in the spotlight: next steps after the 2021 Nobel Prize in Physics 

      Bianconi, Ginestra; Arenas, Alex; Biamonte, Jacob; Carr, Lincon D.; Kahng, Byungnam; Kertesz, Janos; Kurths, Jürgen; Lü, Linyuan; Masoller Alonso, Cristina; Motter, Adilson E; Perc, Matjaž; Radicchi, Filippo (2023-03-01)
      Article
      Open Access
      The 2021 Nobel Prize in Physics recognized the fundamental role of complex systems in the natural sciences. In order to celebrate this milestone, this editorial presents the point of view of the editorial board of JPhys ...
    • Core and critical cities of global region airport networks 

      Lordan González, Oriol; Sallán Leyes, José María (2019-01-01)
      Article
      Open Access
      Air transport is one of the key infrastructures of today’s global economy. Connections between airports define airport networks, where nodes are cities served by airports, connected by edges if there is at least one direct ...
    • Deep Learning For Sequential Pattern Recognition 

      Safari, Pooyan (Universitat Politècnica de Catalunya / Technische Universität München, 2013-12-18)
      Master thesis
      Open Access
      Covenantee:   Technische Universität München
      In recent years, deep learning has opened a new research line in pattern recognition tasks. It has been hypothesized that this kind of learning would capture more abstract patterns concealed in data. It is motivated by the ...
    • Diffusion capacity of single and interconnected networks 

      Schieber, Tiabo A.; Carpi, Laura C.; Pardalos, Panos M.; Masoller Alonso, Cristina; Díaz Guilera, Albert; Ravetti, Martin G. (2023-04-18)
      Article
      Open Access
      Understanding diffusive processes in networks is a significant challenge in complexity science. Networks possess a diffusive potential that depends on their topological configuration, but diffusion also relies on the process ...
    • Disease networks identify specific conditions and pleiotropy influencing multimorbidity in the general population 

      Amell, A.; Roso Llorach, Albert; Palomero, L.; Comellas Padró, Francesc de Paula (Nature, 2018-10-29)
      Article
      Open Access
      Multimorbidity is an emerging topic in public health policy because of its increasing prevalence and socio-economic impact. However, the age- and gender-dependent trends of disease associations at fine resolution, and the ...
    • Disseny i implementació d'eines de visualització d'una aplicació científica: Cassandra 

      Laborda Cabo, Guillem (Universitat Politècnica de Catalunya, 2013-09-10)
      Master thesis (pre-Bologna period)
      Open Access
      Cassandra és una eina de visualització basada en OpenGL [25] que serveix per interpretar resultats i patrons de comportament que ens propcorcionen simulacions (d'ambit social principlament) desenvolupades per Pandora, una ...
    • Dynamic measures for transportation networks 

      Lordan González, Oriol; Sallán Leyes, José María (Public Library of Science (PLOS), 2020-12-03)
      Article
      Open Access
      Most complex network analyses of transportation systems use simplified static representations obtained from existing connections in a time horizon. In static representations, travel times, waiting times and compatibility ...
    • Effects of social interactions in collective motion 

      Parley, Jack Thomas (Universitat Politècnica de Catalunya, 2016-06-21)
      Bachelor thesis
      Open Access
      The Vicsek model of collective motion is known to undergo a noise-induced phase transition from a disorderd state with random velocities, to a collectively ordered state where all the particles tend to move in the same ...
    • Experimental study of feedback-induced dynamics in semiconductor lasers : from symbolic analysis to subwavelength position sensing 

      Aragoneses Aguado, Andrés (Universitat Politècnica de Catalunya, 2014-06-18)
      Doctoral thesis
      Open Access
      The aim of this thesis is the study of the dynamics induced by optical feedback in semiconductor lasers. This study aims, on the one hand, to improve our knowledge of stocahstic complex systems, and on the other hand, to ...
    • Exploració de l’ús de la regla 110 dels autòmats cel·lulars elementals com a reservori en sistemes de reservoir computing en problemes de classificació 

      Esteban Ripoll, Ferran (Universitat Politècnica de Catalunya, 2021-06-29)
      Bachelor thesis
      Open Access
      La regla 110 dels Autòmats Cel·lulars Elementals (Elementary Cellular Automata, ECA) és especialment interessant ja que és capaç de simular una Màquina de Turing Universal (UTM), donada una codificació d'aquesta en la seva ...
    • Heuristics of node selection criteria to assess robustness of world airport network 

      Soria Guerrero, Manel; Lordan González, Oriol; Sallán Leyes, José María (2017-06-14)
      Article
      Open Access
      The world airport network (WAN) is one of the networked infrastructures that shape today's economic and social activity, so its resilience against incidents affecting the WAN is an important problem. In this paper, the ...
    • Home staging using Machine Learning techniques 

      Grau Gasulla, Martí (Universitat Politècnica de Catalunya, 2019-01)
      Bachelor thesis
      Open Access
      Home Staging concept is a set of techniques that allow to achieve more attractive aspect for the possible buyers of a building. In other words, the goal is to make the buyer feel at home when he tours the property. Home ...
    • Inferring the connectivity of coupled oscillators from time-series statistical similarity analysis 

      Tirabassi, Giulio; Sevilla Escoboza, Ricardo; Martín Buldú, Javier; Masoller Alonso, Cristina (Macmillan Publishers, 2015-06-04)
      Article
      Open Access
      A system composed by interacting dynamical elements can be represented by a network, where the nodes represent the elements that constitute the system, and the links account for their interactions, which arise due to a ...
    • Models de terraformació. Estudi de la dinàmica de poblacions entre microorganismes sintètics i autòctons per a la degradació de plàstic oceànic 

      Maull Miquel, Victor (Universitat Politècnica de Catalunya, 2017-07-18)
      Bachelor thesis
      Open Access
      Covenantee:   Institut de Biologia Evolutiva / Parc de Recerca Biomèdica de Barcelona
      Our planet is experiencing an accelerated process of change associated to a variety of anthropogenic phenomena. The presence of vast amount of plastic in the open ocean has generated great concern to its potential ecological ...
    • Models for cascade failures in complex networks and systems. 

      Aflatounian, Shima (Universitat Politècnica de Catalunya, 2020-11-27)
      Master thesis
      Open Access
      Given the complexity, size, cost, and importance of network infrastructures like the internet, telecommunication, transportation, and social networks, it is not surprising the attention that research on network analysis ...
    • Network structure detection and analysis of Shanghai stock market 

      Wu, Sen; Tuo, Mengjiao; Xiong, Deying (OmniaScience, 2015-04)
      Article
      Open Access
      Purpose: In order to investigate community structure of the component stocks of SSE (Shanghai Stock Exchange) 180-index, a stock correlation network is built to find the intra-community and inter-community relationship. ...