Juan Alberto Rodríguez Velázquez
Departament d’Enginyeria Informàtica i Matemàtiques
Universitat Rovira i Virgili
Av. Paísos Catalans, 26
43007 Tarragona
Spain
E-mail: juanalberto.rodriguez@urv.cat

Graduate in Education. Speciality: Mathematics (1990). Instituto Superior Pedagógico de Holguín
Graduate in Mathematics  (1999).  Universitat Autònoma de Barcelona
Doctor in Mathematics (1997). Universitat Politècnica de Catalunya

Research interest:  My primary research interest is graph theory.


Ph. D. theses advised



Coauthors

José Luis Andrés Yebra (Spain), Sergio Bermudo (Spain), Josep Domingo-Ferrer (Spain), Ernesto Estrada (UK), Henning Fernau (Germany), Cristina García-Moreno (Spain), Ismael González Yero (Spain), Amauri Gutiérrez (Spain), Ivan Gutman (Servia), Aida Kamišalić (Slovenia), Dorota Kuziak (Poland), Magdalena Lemańska (Poland), Milan Randić (USA), José María Sigarreta (Mexico).


Refereed Journal Publications


 

  1. Dorota Kuziak, Juan A. Rodríguez-Velázquez, Ismael G. Yero, Corrections to the article "The metric dimension of graph with pendant edges" [Journal of Combinatorial Mathematics and Combinatorial Computing, 65 (2008) 139--145]. Journal of Combinatorial Mathematics and Combinatorial Computing. To appear.
  2. Henning Fernau, Juan A. Rodriguez-Velazquez and José M. Sigarreta. Global powerful r-alliances and total k-domination in graphs. Utilitas Mathematica. To appear.
  3. Magdalena Lemańska, Juan A. Rodríguez-Velázquez and Ismael G. Yero. Nordhaus-Gaddum results for the convex domination number of a graph. Periodica Mathematica Hungarica.  To appear.
  4. I. G. Yero and J. A. Rodriguez-Velázquez. On the Randic index of corona product graphs. ISRN-Discrete Matematics 2011 (2011) Article ID 262183, 7 pages. doi:10.5402/2011/262183.
  5. Magdalena Lemańska, Juan A. Rodríguez-Velázquez and Ismael G. Yero. The limit case of a domination property. Acta Mathematica Sinica, English Series 28 (3) (2012)  463-468.
  6. Ismael G. Yero and Juan A. Rodríguez-Velázquez, Partitioning a graph into global powerfull k-alliances. Graphs and Combinatorics. DOI: 10.1007/s00373-011-1065-7.   To appear.
  7. Ismael G. Yero, Dorota Kuziak and Juan A. Rodríguez-Velázquez, On the metric dimension of corona product graphs. Computers and Mathematics with Applications 61 (9) (2011) 2793–2798. 
  8. Ismael G. Yero,  Juan A. Rodríguez-Velázquez. Boundary powerful k-alliances in graphs.  Ars Combinatoria. To appear.
  9. José M.  Sigarreta, Ismael G. Yero, Sergio Bermudo and Juan A. Rodríguez-Velázquez. Partitioning a graph into offensive k-alliances. Discrete Applied Mathematics 159 (4) (2011) 224231.
  10. I. G. Yero, S. Bermudo, J. A. Rodríguez-Velázquez and J. M. Sigarreta. Partitioning a graph into defensive k-alliances.  Acta Mathematica Sinica, English Series 27 (1) (2011) 73–82. 
  11. Juan A. Rodríguez-Velázquez, José M. Sigarreta, Ismael G. Yero and Sergio Bermudo. Alliance free and alliance cover sets.  Acta Mathematica Sinica, English Series 27 (3)  (2011)  497-504.
  12. Ismael G. Yero and Juan A. Rodríguez-Velázquez. A note on the partition dimension of Cartesian product graphs. Applied Mathematics and Computation 217 (7) (2010) 3571–3574.
  13. Sergio Bermudo, Juan A. Rodríguez-Velázquez, Ismael G. Yero and José M. Sigarreta. On global offensive k-alliances in graphs. Applied Mathematics Letters  23 (12) (2010) 1454–1458. 
  14. Ismael  G. Yero, Juan A. Rodríguez-Velázquez and Ivan Gutman. Estimating the higher-order Randić index.  Chemical Physics Letters 489 (1–3) (2010) 118–120.  
  15. Ismael G. Yero,  Juan A. Rodríguez-Velázquez. Boundary defensive k-alliances in graphs.  Discrete Applied Mathematics 158 (11) (2010) 1205–1211.
  16. S. Bermudo, J. A. Rodríguez-Velázquez, J. M. Sigarreta and I. G. Yero.  On geodetic and k-geodetic sets in graphs. Ars Combinatoria 96 (2010) 469–478.
  17. Juan Alberto Rodríguez-Velázquez, Aida Kamisalic and Josep Domingo-Ferrer. On reliability indices of communication networks.  Computers and Mathematics with Applications 58 (7) (2009) 1433–1440.
  18. J. A. Rodríguez.  Laplacian eigenvalues and partition problems in hypergraphs.  Applied Mathematics Letters 22 (6) (2009) 916–921.
  19. Henning Fernau, Juan A. Rodríguez and José M. Sigarreta. Offensive r-alliances in graphs.  Discrete Applied Mathematics 157 (1) (2009) 177–182.
  20. Juan A. Rodríguez-Velázquez, Ismael G.Yero and José M. Sigarreta. Defensive k-alliances in graphs.  Applied Mathematics Letters 22 (1) (2009) 96–100.
  21. J. A. Rodríguez-Velázquez and J. M. Sigarreta. Global defensive k-alliances in graphs.  Discrete Applied Mathematics 157 (2) (2009) 211–218.
  22. J. M. Sigarreta and J. A. Rodríguez. On the global offensive alliance number of a graph. Discrete Applied Mathematics 157 (2) (2009) 219–226.
  23. J. A. Rodríguez, E. Estrada and A. Gutiérrez. Functional centrality in graphsLinear and Multilinear Algebra 55 (3) (2007) 293–302.
  24. Juan Alberto Rodríguez -Velázquez and José  María Sigarreta Almira. Spectral study of alliances in graphs  Discussiones Mathematicae Graph Theory 27 (1) (2007) 143–157.
  25. I. Gutman, E. Estrada and J. A. Rodríguez-Velázquez. On a graph-spectrum-based structure descriptor.  Croatica Chemica Acta 80 (2) (2007) 151–154.
  26. J. A. Rodríguez-Velázquez and J. M. Sigarreta. Global alliances in planar graphs.  AKCE–International Journal of Graphs and Combinatorics 4 (1) (2007) 83–98.
  27. J. A. Rodríguez and J. M. Sigarreta. Offensive alliances in cubic graphs.  International Mathematical Forum 1 (36) (2006) 1773–1782.
  28. J. A. Rodríguez.  The (α, β,s,t)-diameter of graphs: A particular case of conditional diameterDiscrete Applied Mathematics 154 (14) (2006) 2024–2031.
  29. J. A. Rodríguez-Velázquez and J. M. Sigarreta. Global offensive alliances in graphs.  Electronic Notes in Discrete Mathematics 25 (2006) 157–164.
  30. J. M. Sigarreta and J. A. Rodríguez. On defensive alliances and line graphs.  Applied Mathematics Letters 19 (12) (2006) 1345–1350.
  31. Ernesto Estrada and Juan A. Rodríguez-Velázquez. Subgraph centrality and clustering in complex hyper-networks.  Physica A 364 (2006) 581–594.
  32. Ernesto Estrada, Juan A. Rodríguez-Velázquez and Milan Randić. Atomic branching in molecules.  International Journal of Quantum Chemistry 106 (4) (2006) 823–832.
  33. J. A Rodríguez and J. M. Sigarreta.  On the Randić index and conditional parameters of a graph.  MATCH Commun. Math. Comput. Chem. 54 (2) (2005) 403–416.
  34. J. A. Rodríguez. A spectral approach to the Randić index.  Linear Algebra and its Applications 400 (2005) 339–344.
  35. J. A. Rodríguez. On the Wiener index and the eccentric distance sum of hypergraphs.  MATCH Commun. Math. Comput. Chem. 54 (1) (2005) 209–220.
  36. Ernesto Estrada and Juan A. Rodríguez-Velázquez. Subgraph centrality in complex networks.  Physical Review E 71 (5) 056103 (2005) 9 pages.
  37. Ernesto Estrada and Juan A. Rodríguez-Velázquez. Spectral measures of bipartivity.  Physical Review E 72 (4) 046105 (2005) 6 pages.
  38. J. A. Rodríguez. On the Laplacian spectrum and walk-regular hypergraphsLinear and Multilinear Algebra 51 (3) (2003) 285–297.
  39. J. A. Rodríguez. On the Laplacian eigenvalues and metric parameters of hypergraphs.  Linear and Multilinear Algebra 50 (1) (2002) 1–14.
  40. J. A. Rodríguez, A. Gutiérrez and J. L. A. Yebra. On spectral bounds for cutsets. Discrete Mathematics 257 (1) (2002) 101–109. 
  41. J. A. Rodríguez and J.L.A. Yebra. Laplacian eigenvalues and the excess of a graph.  Ars Combinatoria 64 (2002) 249–258.  
  42. J. A. Rodríguez and J.L.A Yebra. Bounding the diameter and the mean distance of a graph from its eigenvalues: Laplacian versus adjacency matrix methods.  Discrete Mathematics 196 (1–3) (1999) 267–275.




Submitted papers






Refereed Conference Publications

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 




Other Publications

 





Editorial work




Referee for scientific journals


    
   I frequently serve as a referee for scientific journals, including the following: