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Listar por autor "Gudiel Rodríguez, Félix"                

Mostrando ítems 21-26 de 26

    • Artículo
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      On ZZt × ZZ2 2-cocyclic Hadamard matrices 

      Álvarez Solano, Víctor; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén (Wiley, 2015)
      A characterization of ZZt × ZZ22 -cocyclic Hadamard matrices is described, de- pending on the notions of distributions, ...
    • Ponencia
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      (Pseudo)-cocyclic (structured) Hadamard matrices over (quasi)groups 

      Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Kotsireas, Ilias (2017)
      Progressing on a survey of the state of the art of cocyclic constructions for Hadamard matrices, we will prove that the ...
    • Artículo
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      Pseudococyclic Partial Hadamard Matrices over Latin Rectangles 

      Falcón Ganfornina, Raúl Manuel; Álvarez, Víctor; Frau García, María Dolores; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén (MDPI [Commercial Publisher], 2021-01-06)
      The classical design of cocyclic Hadamard matrices has recently been generalized by means of both the notions of the cocycle ...
    • Ponencia
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      Rooted Trees Searching for Cocyclic Hadamard Matrices over D4t 

      Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Frau García, María Dolores; Gudiel Rodríguez, Félix; Osuna Lucena, Amparo (Springer, 2009)
      A new reduction on the size of the search space for cocyclic Hadamard matrices over dihedral groups D4t is described, in ...
    • Ponencia
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      Searching for partial Hadamard matrices 

      Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Frau García, María Dolores; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Martín García, Elena; Osuna Lucena, Amparo (Universidade de Santiago de Compostela, Servicio de Publicaciones, 2010)
      Three algorithms looking for pretty large partial Hadamard ma- trices are described. Here “large” means that hopefully ...
    • Artículo
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      The maximal determinant of cocyclic (−1, 1)-matrices over D2t 

      Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Frau García, María Dolores; Gudiel Rodríguez, Félix (Elsevier, 2012)
      Cocyclic construction has been successfully used for Hadamard matrices of order n. These -matrices satisfy that and give ...