idUS - Author profile: Güemes Alzaga, María Belén

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Name	Güemes Alzaga, María Belén
Department	Algebra
Knowledge area	Álgebra
Professional category	Profesora Titular de Universidad
E-mail	Request

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Article A computational approach to analyze the Hadamard quasigroup product Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén (American Institute of Mathematical Sciences (AIMS), 2023) Based on the binary product described by any Latin square, the Hadamard quasigroup product is introduced in this paper as ...
Article Pseudococyclic Partial Hadamard Matrices over Latin Rectangles Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Álvarez, Víctor; Álvarez, Víctor; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén (MDPI [Commercial Publisher], 2021) The classical design of cocyclic Hadamard matrices has recently been generalized by means of both the notions of the cocycle ...
Article Hadamard Matrices with Cocyclic Core Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Osuna Lucena, Amparo; Osuna Lucena, Amparo (MDPI, 2021) Since Horadam and de Launey introduced the cocyclic framework on combinatorial designs in the 1990s, it has revealed itself ...
Article On Cocyclic Hadamard Matrices over Goethals-Seidel Loops Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Osuna Lucena, Amparo; Osuna Lucena, Amparo (MDPI, 2020) About twenty-five years ago, Horadam and de Launey introduced the cocyclic development of designs, from which the notion ...
Article Cocyclic Hadamard matrices over Latin rectangles Álvarez Solano, Víctor; Álvarez Solano, Víctor; Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén (Elsevier, 2019) In the literature, the theory of cocyclic Hadamard matrices has always been developed over finite groups. This paper ...
Article Generating binary partial Hadamard matrices Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Osuna Lucena, Amparo; Osuna Lucena, Amparo (Elsevier, 2019) This paper deals with partial binary Hadamard matrices. Although there is a fast simple way to generate about a half (which ...
Article A Mixed Heuristic for Generating Cocyclic Hadamard Matrices Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Osuna Lucena, Amparo; Osuna Lucena, Amparo (Springer, 2018) A way of generating cocyclic Hadamard matrices is described, which combines a new heuristic, coming from a novel notion ...
Article GA Based Robust Blind Digital Watermarking Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Martín García, Elena; Martín García, Elena; Osuna Lucena, Amparo; Osuna Lucena, Amparo (Elsevier, 2018) A genetic algorithm based robust blind digital watermarking scheme is presented. The experimental results show that our ...
Presentation Generating partial Hadamard matrices as solutions to a Constraint Satisfaction Problem characterizing cliques Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Osuna Lucena, Amparo; Osuna Lucena, Amparo (2017) A procedure is described looking for partial Hadamard matrices, as cliques of a particular subgraph Gt of Ito’s Hadamard ...
Presentation (Pseudo)-cocyclic (structured) Hadamard matrices over (quasi)groups Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Kotsireas, Ilias; Kotsireas, Ilias (2017) Progressing on a survey of the state of the art of cocyclic constructions for Hadamard matrices, we will prove that the ...
Presentation Cocyclic Hadamard matrices over Latin rectangles Falcón Ganfornina, Raúl Manuel; Falcón Ganfornina, Raúl Manuel; Frau García, María Dolores; Frau García, María Dolores; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Álvarez Solano, Víctor; Álvarez Solano, Víctor (2017)
Article On D4t-Cocyclic Hadamard Matrices Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Osuna Lucena, Amparo; Osuna Lucena, Amparo (Wiley, 2016) In this paper, we describe some necessary and sufficient conditions for a set of coboundaries to yield a cocyclic Hadamard ...
Article On ZZt × ZZ2 2-cocyclic Hadamard matrices Álvarez Solano, Víctor; Álvarez Solano, Víctor; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén (Wiley, 2015) A characterization of ZZt × ZZ22 -cocyclic Hadamard matrices is described, de- pending on the notions of distributions, ...
Article Equivalences of Zt×Z22-cocyclic Hadamard matrices Álvarez Solano, Víctor; Álvarez Solano, Víctor; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Horadam, K.J.; Horadam, K.J.; Rao, A.; Rao, A. (Cornell University, 2015) One of the most promising structural approaches to resolving the Hadamard Conjecture uses the family of cocyclic matrices ...
PhD Thesis Matrices cocíclicas de Hadamard sobre el Grupo Zt x Z 2*2 Descripción, clasificación y búsqueda Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Álvarez Solano, Víctor; Álvarez Solano, Víctor; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén (2011)
Presentation Searching for partial Hadamard matrices Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Martín García, Elena; Martín García, Elena; Osuna Lucena, Amparo; 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 ...
Presentation ACS Searching for D4t-Hadamard Matrices Álvarez Solano, Víctor; Álvarez Solano, Víctor; Armario Sampalo, José Andrés; Armario Sampalo, José Andrés; Frau García, María Dolores; Frau García, María Dolores; Gudiel Rodríguez, Félix; Gudiel Rodríguez, Félix; Güemes Alzaga, María Belén; Güemes Alzaga, María Belén; Martín García, Elena; Martín García, Elena; Osuna Lucena, Amparo; Osuna Lucena, Amparo (Springer, 2010) An Ant Colony System (ACS) looking for cocyclic Hadamard matrices over dihedral groups D4t is described. The underlying ...