American Journal of Computational and Applied Mathematics

American Journal of Computational and Applied Mathematics is a peer-reviewed international journal. This journal publishes significant research papers from all branches of applied mathematical and computational sciences. It publishes original papers of high scientific value in all areas of computational and applied mathematics.

Juan Alberto Rodriguez Velazquez

Editorial Board Member of American Journal of Computational and Applied Mathematics

Associate Professor, Departament d'Enginyeria Informàtica i Matemàtiques, Universitat Rovira I Virgili, Spain

Research Areas

Graph theory

Education

1997Ph.DMathematical Science from the Polytechnic University of Catalonia

Experience

presentAssociate Professor of Applied Mathematics at Rovira i Virgili University of Tarragona, Spain

Publications: Journals

[1]  Magdalena Lemańska, Juan A. Rodríguez-Velázquez and Ismael G. Yero. Nordhaus-Gaddum results for the convex domination number of a graph. Periodica Mathematica Hungarica. In press.
[2]  I. G. Yero and J. A. Rodriguez-Velázquez. On the Randic index of corona product graphs. ISRN-Discrete Matematics. In press.
[3]  Magdalena Lemańska, Juan A. Rodríguez-Velázquez and Ismael G. Yero. The limit case of a domination property. Acta Mathematica Sinica, English Series 27 (8) (2011) In press.
[4]  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.
[5]  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.
[6]  Ismael G. Yero, Juan A. Rodríguez-Velázquez. Boundary powerful k-alliances in graphs. Ars Combinatoria. In press.
[7]  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) 224-231.
[8]  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.
[9]  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.
[10]  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.
[11]  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.
[12]  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.
[13]  Ismael G. Yero, Juan A. Rodríguez-Velázquez. Boundary defensive k-alliances in graphs. Discrete Applied Mathematics 158 (11) (2010) 1205-1211.
[14]  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.
[15]  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.
[16]  J. A. Rodríguez. Laplacian eigenvalues and partition problems in hypergraphs. Applied Mathematics Letters 22 (6) (2009) 916-921.
[17]  Henning Fernau, Juan A. Rodríguez and José M. Sigarreta. Offensive r-alliances in graphs. Discrete Applied Mathematics 157 (1) (2009) 177-182.
[18]  Juan A. Rodríguez-Velázquez, Ismael G.Yero and José M. Sigarreta. Defensive k-alliances in graphs. Applied Mathematics Letters 22 (1) (2009) 96-100.
[19]  J. A. Rodríguez-Velázquez and J. M. Sigarreta. Global defensive k-alliances in graphs. Discrete Applied Mathematics 157 (2) (2009) 211-218.
[20]  J. M. Sigarreta and J. A. Rodríguez. On the global offensive alliance number of a graph. Discrete Applied Mathematics 157 (2) (2009) 219-226.
[21]  J. A. Rodríguez, E. Estrada and A. Gutiérrez. Functional centrality in graphs. Linear and Multilinear Algebra 55 (3) (2007) 293-302.
[22]  Juan Alberto Rodríguez-Velázquez and José María Sigarreta Almira. Spectral study of alliances in graphs Discussiones Mathematicae Graph Theory 27 (1) (2007) 143-157.
[23]  Gutman, E. Estrada and J. A. Rodríguez-Velázquez. On a graph-spectrum-based structure descriptor. Croatica Chemica Acta 80 (2) (2007) 151-154.
[24]  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.
[25]  J. A. Rodríguez and J. M. Sigarreta. Offensive alliances in cubic graphs. International Mathematical Forum 1 (36) (2006) 1773-1782.
[26]  J. A. Rodríguez. The (α, β,s,t)-diameter of graphs: A particular case of conditional diameter. Discrete Applied Mathematics 154 (14) (2006) 2024-2031.
[27]  J. A. Rodríguez-Velázquez and J. M. Sigarreta. Global offensive alliances in graphs. Electronic Notes in Discrete Mathematics 25 (2006) 157-164.
[28]  J. M. Sigarreta and J. A. Rodríguez. On defensive alliances and line graphs. Applied Mathematics Letters 19 (12) (2006) 1345-1350.
[29]  Ernesto Estrada and Juan A. Rodríguez-Velázquez. Subgraph centrality and clustering in complex hyper-networks. Physica A 364 (2006) 581-594.
[30]  Ernesto Estrada, Juan A. Rodríguez-Velázquez and Milan Randić. Atomic branching in molecules. International Journal of Quantum Chemistry 106 (4) (2006) 823-832.
[31]  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.
[32]  J. A. Rodríguez. A spectral approach to the Randić index. Linear Algebra and its Applications 400 (2005) 339-344.
[33]  J. A. Rodríguez. On the Wiener index and the eccentric distance sum of hypergraphs. MATCH Commun. Math. Comput. Chem. 54 (1) (2005) 209-220.
[34]  Ernesto Estrada and Juan A. Rodríguez-Velázquez. Subgraph centrality in complex networks. Physical Review E 71 (5) 056103 (2005) 9 pages.
[35]  Ernesto Estrada and Juan A. Rodríguez-Velázquez. Spectral measures of bipartivity. Physical Review E 72 (4) 046105 (2005) 6 pages.
[36]  J. A. Rodríguez. On the Laplacian spectrum and walk-regular hypergraphs. Linear and Multilinear Algebra 51 (3) (2003) 285-297.
[37]  J. A. Rodríguez. On the Laplacian eigenvalues and metric parameters of hypergraphs. Linear and Multilinear Algebra 50 (1) (2002) 1-14.
[38]  J. A. Rodríguez, A. Gutiérrez and J. L. A. Yebra. On spectral bounds for cutsets. Discrete Mathematics 257 (1) (2002) 101-109.
[39]  J. A. Rodríguez and J.L.A. Yebra. Laplacian eigenvalues and the excess of a graph. Ars Combinatoria 64 (2002) 249-258.
[40]  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.

Publications: Conferences/Workshops/Symposiums

[1]  Juan Alberto Rodríguez Velázquez, Ismael González-Yero and José María Sigarreta Mathematical properties of k-Web Communities INFORM ATICA-2007. III Taller Internacional de Calidad en las Tecnologías de la Informa ción y las Comunicaciones. La Habana, Cuba (2007) Proceedings ISBN: 978-959-286-002-5. CAL-019, 9 pages.
[2]  Juan A. Rodríguez-Velázquez and Cristina García-Moreno Functional centrality: A centrality measure for social networks analysis COMPUMAT-2007. Holguín, Cuba. Boletín de la Sociedad Cubana de Matemática y Computación 5 (Número especial) MDC9 (2007) 6 pages. ISSN 1728-6042.
[3]  J. A. Rodríguez-Velázquez, J. M. Sigarreta and I. G. Yero Global defensive k-alliances in graphs COMPUMAT-2007. Holguín, Cuba. Boletín de la Sociedad Cubana de Matemática y Computación 5 (Número especial) MDC8 (2007) 6 pages. ISSN 1728-6042.
[4]  J. A. Rodríguez and J. M. Sigarreta On the degree-adjacency matrix of a graph 17th International Conference on Formal Power Series and Algebraic Combinatorics. FP SAC 05. Messina, Italy (2005) Paper N. 41, 14 pages.
[5]  Ángel A. Juan, María A. Huertas, Cristina Steegmann, Juan A. Rodríguez, Manuel Terradez Uso e integración de las TIC en asignaturas cuantitativas aplicadas. La experiencia de los estudios de informática y multimadia de la UOC. XI congreso Universitario de Innovación Educativa en las Enseñanzas Técnicas (2003) R0184, ISBN 84-688-2216-7.