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    • Classifing stars: a comparison between clasical, genetic and neural network algorithms 

      Hernández Pajares, Manuel; Comellas Padró, Francesc de Paula; Monte Moreno, Enrique (F. MURTAGH AND A. HECK, 1992)
      Text en actes de congrés
      Accés obert

    • Cycles in the cycle prefix digraph 

      Comellas Padró, Francesc de Paula; Mitjana Riera, Margarida (2000)
      Article
      Accés obert
      Cycle prefix digraphs are a class of Cayley coset graphs with many remarkable properties such as symmetry, large number of nodes for a given degree and diameter, simple shortest path routing, Hamiltonicity, optimal ...

    • Deterministic hierarchical networks 

      Barrière Figueroa, Eulalia; Comellas Padró, Francesc de Paula; Dalfó Simó, Cristina (2006)
      Article
      Accés obert
      It has recently been shown that many networks associated with complex systems are small-world (they have both a large local clustering and a small average distance and diameter) and they are also scale-free (the degrees ...

    • Deterministic hierarchical networks 

      Barrière Figueroa, Eulalia; Comellas Padró, Francesc de Paula; Dalfó Simó, Cristina; Fiol Mora, Miquel Àngel (2016)
      Article
      Accés obert
      It has been shown that many networks associated with complex systems are small-world (they have both a large local clustering coefficient and a small diameter) and also scale-free (the degrees are distributed according ...

    • Deterministic hierarchical networks 

      Barrière Figueroa, Eulalia; Comellas Padró, Francesc de Paula; Dalfó Simó, Cristina; Fiol Mora, Miquel Àngel (2007-11-20)
      Article
      Accés obert
      Recently it has been shown that many networks associated with complex systems are small-world (they have both a large local clustering and a small diameter) and they are also scale-free (the degrees are distributed according ...

    • 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
      Accés obert
      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 ...

    • El espectro del digrafo mariposa 

      Comellas Padró, Francesc de Paula; Fiol Mora, Miquel Àngel; Gimbert, Joan; Mitjana Riera, Margarida (A. Márquez, 2002-09)
      Text en actes de congrés
      Accés obert
      La determinación del espectro de un grafo es de interés por la conexión que los autovalores y sus multiplicidades tienen con invariantes y propiedades topológicas del grafo, como el diámetro, conectividad, expansión, ...

    • Examen final 

      Comellas Padró, Francesc de Paula (Universitat Politècnica de Catalunya, 2018-06-18)
      Examen
      Accés restringit a la comunitat UPC

    • Examen final 

      Comellas Padró, Francesc de Paula (Universitat Politècnica de Catalunya, 2019-01-17)
      Examen
      Accés restringit a la comunitat UPC

    • Farey graphs as models for complex networks 

      Comellas Padró, Francesc de Paula (2009-08-01)
      Article
      Accés obert
      Farey sequences of irreducible fractions between 0 and 1 can be related to graph constructions known as Farey graphs. These graphs were first introduced by Matula and Kornerup in 1979 and further studied by Colbourn in ...

    • Graph centralities and cascading failures in networks 

      Comellas Padró, Francesc de Paula; Sánchez, Llorenç (2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Hedy Lamarr, de Hollywood a la telefonía móvil 

      Comellas Padró, Francesc de Paula; Ozón Górriz, Francisco Javier (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2000)
      Article
      Accés obert

    • Matemática discreta 

      Comellas Padró, Francesc de Paula; Fàbrega Canudas, José; Lladó Sánchez, Ana M.; Serra Albó, Oriol (Edicions UPC, 2001)
      Llibre
      Accés restringit a la comunitat UPC
      La matemàtica discreta és la part de les matemàtiques que tracta de les estructures finites i numerables. Aquesta nova branca de les matemàtiques ha rebut un impuls decisiu amb els progressos de la informàtica i de les ...

    • Mean first-passage time for random walks on generalized deterministic recursive trees 

      Comellas Padró, Francesc de Paula; Miralles de la Asunción, Alicia (2010-01-11)
      Report de recerca
      Accés obert

    • Modeling complex networks with self-similar outerplanar unclustered graphs 

      Comellas Padró, Francesc de Paula; Miralles de la Asunción, Alicia (2009-01-21)
      Article
      Accés obert
      This paper introduces a family of modular, self-similar, small-world graphs with clustering zero. Relevant properties of this family are comparable to those of some networks associated with technological systems with a low ...

    • On the Hierarchical Product of Graphs and the Generalized Binomial Tree 

      Barrière Figueroa, Eulalia; Comellas Padró, Francesc de Paula; Dalfó Simó, Cristina; Fiol Mora, Miquel Àngel (2007-09)
      Article
      Accés obert
      In this paper we follow the study of the hierarchical product of graphs, an operation recently introduced in the context of networks. A well-known example of such a product is the binomial tree which is the (hierarchical) ...

    • On the spectra of hypertrees 

      Barrière Figueroa, Eulalia; Comellas Padró, Francesc de Paula; Dalfó Simó, Cristina; Fiol Mora, Miquel Àngel (2007-05)
      Article
      Accés obert
      In this paper we study the spectral properties of a family of trees characterized by two main features: they are spanning subgraphs of the hypercube, and their vertices bear a high degree of (connectedness) hierarchy. ...

    • On the spectra of Markov matrices for weighted Sierpinski graphs 

      Comellas Padró, Francesc de Paula; Xie, Pinchen; Zhang, Zhongzhi (2016)
      Text en actes de congrés
      Accés obert
      Relevant information from networked systems can be obtained by analyzing the spectra of matrices associated to their graph representations. In particular, the eigenvalues and eigenvectors of the Markov matrix and related ...

    • On the spectrum of the normalized Laplacian of iterated triangulations of graphs 

      Xie, Pinchen; Zhang, Zhongzhi; Comellas Padró, Francesc de Paula (2016-01-15)
      Article
      Accés obert
      The eigenvalues of the normalized Laplacian of a graph provide information on its topological and structural characteristics and also on some relevant dynamical aspects, specifically in relation to random walks. In this ...

    • Oxidative stress is a central target for physical exercise neuroprotection against pathological brain aging 

      Garcia-Mesa, Yoelvis; Colie, Sandra; Corpas, Ruben; Cristofol, Rosa; Comellas Padró, Francesc de Paula; Nebreda, Angel; Giménez-Llort, Lydia; Sanfeliu, Coral (2015-02-26)
      Article
      Accés obert
      Physical exercise is suggested for preventing or delaying senescence and Alzheimer’s disease (AD). We have examined its therapeutic value in the advanced stage of AD-like pathology in 3xTg-AD female mice through voluntary ...