Professor of Applied Mathematics of the Valencia University of Technology (Univ. Politécnica de Valencia) and Adjunct Professor of Curtin Univ. of Technology. Former Director of Agricultural Engineering School of Valencia (1998---2004) (Escuela Técnica Superior de Ingenieros Agrónomos). Visiting Associate Professor, University of Connecticut 1991. Long--time member of ILAS in which has served as member of the Board of Directors (2003--2006) and of the Institutional Membership Committee (2008--2010) of ILAS . Memberships include ILAS, SIAM and the Spanish Society of Applied Mathematics (SeMA) serving as member of the Board of Directors from 1997--1999 and 2005--. Chairman of the thematic network "Algebra Lineal Analisis Matricial y Aplicaciones from 2008-2010. President of the Spanish Society of Applied Mathematic, (SEMA). Research interest in nonnegative matrices, numerical linear algebra and control theory.
Member of the Organizing Committee of ILAS Conferences in Barcelona (1999) and Cancun (2008). Member of Organizing Committee of some Conferences on Linear Algebra and and Summer-Schools on Parallel Numerical Algorithms in Spain. Active member of the "Instituto de Matematica Multidisciplinar" (IMM) of Valencia and member of the "Dept. Matematica Aplicada" (DMA). Chairman of the third Multidisciplinary International Symposium on Positive Systems: Theory and Applications (POSTA 2009). Chairman of the conference: "ALAMA-2010 and member of the editorial board of The Seventh International Conference on Engineering Computational Technology (ECT 2010).
Curriculum click for pdf
Luca Bergamaschi, Rafael Bru, Angeles Martínez and Mario
Putti,
"Quasi-Newton acceleration of ILU preconditioners for nonlinear two-phase
equations in porous media", Advances in Engineering Software.
On line publication: 4 December, 2010. Doi:10.1016/j.advengsoft.2010.10.011
pdf file
Rafael Bru, Rafael Cantó, Ricardo Soto, Ana M. Urbano, ``A Brauer’s
theorem and related results'', Central European J. Mathematics, 10(1): 312-321, 2012. DOI: 10.2478/s11533-011-0113-0
pdf file
Rafael Bru, Isabel Gimenez and Apostolos Hadjidimos, ``Is $A\in \mathbb{C}^{n,n}$
a general H-matrix?'', Linear Algebra Appl., 436(2): 364-380, 2012. On line publication: 12 April 2011. Doi:10.1016/j.laa.2011.03.009
pdf file
Luca Bergamaschi, Rafael Bru
and Angeles Martínez, "Low-rank update of preconditioners for the inexact Newton
method with SPD Jacobian", Mathematical and Computer Modelling, 54: 1863–1873, 2011. On line
publication: 5 December, 2010. Doi: 10.1016/j.mcm.2010.11.064
pdf file
Rafael Bru, Ljiljana Cvetkovi\'c, Vladimir Kosti\'c and Francisco Pedroche, "A
simple generalization of Gersgorin's theorem'', Advances in Computational
Mathematics, 35(2-4): 271-280, 2011. On line publication 15 October, 2009. DOI: 10.1007/s10444-009-9143-6
pdf file
Rafael Bru, José Marín, José Mas and Miroslav Tuma, "Improved
balanced incomplete factorizations'', SIAM J. on Matrix Analysis, 31:2431-2452, 2010.
Online publication: 12 August 2010. DOI: 10.1137/090747804
pdf file
Rafael Bru, Ljiljana Cvetkovi\'c, Vladimir Kosti\'c and Francisco Pedroche, "Characterization
of alpha 1 and alpha 2-matrices'', Central European Journal of Mathematics,
8(1):32-40, 2010
pdf file
Rafael Bru, Cristina Corral, Isabel Gimenez and José
Mas, "Schur complement of general H-matrices'', Numerical Linear Algebra and
Applications, 16: 935–947, 2009. DOI: 10.1002/nla.668
pdf file
W.A.
Contreras, A. Lidón, D. Ginestar and R. Bru, "Compartmental model for
nitrogen dynamics in citrus orchards",
Mathematical and Computer Modelling, 50: 794-805, 2009. Online publication: 12-August-2009. DOI: 10.1016/j.mcm.2009.05.008
pdf file
Rafael Bru, Ljiljana Cvetkovi\'c, Vladimir Kosti\'c and
Francisco Pedroche, "Sums of $\sum$-strictly diagonally dominant matrices'',
Linear and Multilinear Algebra, 58(1):75 - 78, 2010. DOI: 10.1080/03081080802379725
First Published on: 02 January 2009
pdf file
Rafael Bru, Sergio Romero and Elena Sánchez, "Reachability
indices of periodic positive systems via positive shift-similarity'', Linear Algebra and its Applications,
429: 2358-2366, 2008. doi: 10.1016/j.laa.2008.01.033
pdf file
W.A.
Contreras, D. Ginestar, L.C. Paraíba and R. Bru, "Modelling the pesticide
concentration in rice field by level IV fugacity model coupled with a
dispersion-advection equation", Computers & Mathematics with Applications,
56: 657–669, 2008. DOI: 10.1016/j.camwa.2008.01.009
pdf file
Rafael Bru, José Marín, José Mas and Miroslav Tuma, "Balanced
incomplete factorizations'', SIAM J. on Scientific Computing, 30(5): 2302–2318,
2008. DOI: 10.1137/070696088. pdf file
Rafael Bru,
Cristina Corral, Isabel Gimenez and José Mas, "Classes of general H-matrices",
Linear Algebra and its Applications, 429: 2358-2366, 2008. DOI: 10.1016/ j.laa.2007.10.030
pdf file
R. Bru, R. Canto, B. Ricarte and V. Rumchev,
"A basic canonical form of discrete-time compartmental systems", Int. Journal of
Contemp. Math. Sciences, Vol. 2 (5-8): 5-8, 261-273, 2007.
pdf file
Estebán Bahilo, Rafael Bru, Josep Gelonch and Sergio Romero,
"On the Reachability index of positive 2-D systems'',
IEEE Transactions on Circuits and Systems II, Vol. 5 (10): 1--7, 2006.
pdf file
Rafael Bru, Francisco Pedroche and
Daniel
B. Szyld, "Sub-direct sums of S--strictly diagonally dominant matrices",
Electronic Journal of
Linear Algebra, 15: 201--209, 2006.
pdf file
Luca Bergamaschi, Rafael Bru, Angeles Martínez and Mario
Putti,
"Quasi-Newton preconditioners for the inexact Newton method",
23: 76--87, ETNA, 2006.
pdf file
Lucinio Júdez, Carolina Chaya, José María de Miguel and
Rafael Bru, "Stratification snd sample size of data sources for the agricultural mathematical programming models",
Mathematical and Computer Modelling, 43: 530-535, 2006.
pdf file
Rafael Bru, Francisco Pedroche and
Daniel
B. Szyld, "Sub-direct sums of nonsingular M-matrices and of their inverses",
Electronic Journal of
Linear Algebra, 13: 162--174, 2005.
pdf file
Rafael Bru, Francisco Pedroche and
Daniel
B. Szyld, "Additive Schwarz iterations for Markov chains",
SIAM J. on Matrix Analysis. Vol. 27 (2):. 445–458, 2005.
pdf file
Rafael Bru, L. Caccetta and V.
G. Rumchev, "Monomial subgraphs of reachable and controllable positive discrete--systems",
International Journal of Applied Mathematics and Computer Science,
15 (1): 159--166, 2005. pdf file
Rafael Bru,
Francisco Pedroche and
Daniel
B. Szyld, "Overlapping Additive and Multiplicative Schwarz Iterations
for H-matrices", Linear Algebra and its Applications, 393C:
91--105, 2004.
pdf file
Rafael Bru, Sergio Romero and Elena Sánchez,
"Structural properties of positive periodic discrete--time
linear systems: canonical forms", Applied Mathematics and Computation, 153: 697--719, 2004. pdf file
Rafael Bru, Carmen Coll, Sergio Romero
and Elena Sánchez, "Reachability indices of positive linear
systems", Electronic Linear Algebra, 11: 88--102, 2004. pdf file
Rafael Bru, Carmen Coll and Nestor Thome, "Gramian matrices and balanced model of generalized systems", Applied Mathematics and Computation, 148(2): 341–350, 2004. pdf file
Rafael Bru, Rafael Cantó and Beatriz Ricarte, "Modelling nitrogen dynamics in
citrus trees", Mathematical and Computer Modelling, 38/10 pp. 975-987, 2003. pdf file
R. Bru, "Métodos iterativos para resolver sistemas
lineales", Bol. Soc. Esp. Mat. Apl., 24: 9--30, 2003.
postcript file
R. Bru, J. Cerdán, J. Marín
and J. Mas, "Preconditioning sparse nonsymmetric linear systems with
the Sherman-Morrison formula", SIAM J. on Scientific Computing,
25(2): 701--715, 2003. pdf file
R. Bru, D. Ginestar, T. Manteuffel, J.
Marín, J. Mas, and G. Verdú. "Iterative schemes for
the neutron diffusion equation", Computers and Mathematics with
Applications", Vol. 44, pp. 1307-1323, 2002. pdf file
Rafael Bru, Carmen Coll and Elena Sánchez,
"Structural properties of positive linear time-invariant difference-algebraic
equations", Linear Algebra and its Applications, 349: 1--10, 2002.
pdf file
Rafael Bru, Sergio Romero and Elena Sánchez, "Canonical forms of reachability and controllability of positive
discrete-time control systems'', Linear Algebra and its Applications,
310: 49--310, 2000. pdf file
Editor of
Proyecciones,
2011--.
Editor of
Advances in Computational Mathematics,
2011--.
Editor of
Advances in Computational Mathematics,
special volume, 2009.
Editor of
Advances Engineering Software, 2009--2012.
Editor of
Advances Engineering Software, Vol.
, 2009.
Editor of
Proceedings of the third Multidisciplinary International Symposium on Positive
Systems: Theory and Applications (POSTA 09) Valencia, Spain, September 2-4,
2009.
Lecture Notes in Control and Information Sciences, Vol.
389, 2009.
Editor of proceedings of The Linear Algebra Conference
held in Valencia and published in the journal
Linear Algebra and Applications, Vol. 170, 1992.
Editor of proceedings of International Linear Algebra
Conference held in Valencia and published in the journal
Linear Algebra and Applications, Vol. 121, 1989.
Upcoming conferences I will attend
Year 2012
SIAM Conf. on Applied Linear Algebra, June 18-22, 2012, Valencia, Spain.
Year 2011
Year 2010
The Seventh International Conference on Engineering Computational Technology, 14-17 September, 2010, Valencia, Spain ALAMA Conference, June 2-3, 2010, Valencia, Spain. Eleventh Copper Mountain Conference on Iterative Methods, 4-9 April, 2010, Copper, Colorado, USA. ALA 2008 Conference, in honor of Hans Schneider , May 24-28, 2010, Novi Sad, Serbia.
Year 2009
SIAM Conf.
on Applied Linear Algebra, 26-29, October,
2009, Monterey, California.
CEDYA 2009, 21-25
September, Ciudad Real, Spain.
POSTA09, 2-4 September,
Valencia, Spain.
Year 2008
The Second International Conference on Numerical Algebra and Scientific Computing
(NASC08), 2-5 November, 2008, Nanjing, China.
ALAMA Conference , 24-25 September, 2008, Vitoria,
Spain.
The Sixfth International Conference on Engineering Computational Technology,
2-5 September, 2008, Athens, Greece.
Fifteenth
ILAS Conference
, 16-20 June, 2007, Cancún, México.
ALA 2008 Conference, in honor to Ivo Marek , 28-30 April, 2008, Novi
Sad, Serbia.
Tenth
Copper Mountain Conference on Iterative Methods, 6-11 April, 2008, Copper,
Colorado, USA.
Year 2007
XX CEDYA Conference , 24-28 September,
2007, Sevilla, Spain.
Computational Methods with Applications , 19-25 August,
2007, Harrachov, Czech Republic.
14-TH ILAS Conference , 16-20 July,
2007, Shanghai, P.R. China.
Mat-Triad 2007,
22-24 March , 2007, Bedlewo, Poland.
Year 2006
Vigésimo quinto aniversario del grupo de Álgebra lineal de la
UPV-EHU (1981-2006), 21 and 22 September, 2006, Vitoria, Spain.
The Fifth International
Conference on Engineering Computational Technology, 12-15 September,
2006, Las Palmas de Gran Canaria, Spain.
Second conference on Positive Systems: Theory and Applications (POSTA)
, 31 August- 1 September,
2006, Grenoble, France.
13-TH ILAS Conference
, 18-21 July,
2006, Amsterdam, Netherlands.
Nifth Copper Mountain
Conference on Iterative Methods, 2-7 April, 2006, Copper, Colorado,
USA.
Year 2005
Dept. di Metodi e Modelli Matematici per le Scienze Applicate, Univ. of Padova
, 20-November-14 of December,
2005, Padova, Italy.
ALA 2005 Conference, in honor to Richard Varga
, 13-15 October,
2005, Palic, Yugoslavia.
CEDYA 2005 Conference
, 19-23 September,
2005, Leganés, Spain.
12th International Linear
Algebra Society (ILAS) Conference, 26-29 June,
2005, Regina, Canada.
2005 International Conference on Preconditioning Techniques for Large Sparse Matrix
Problems in Scientific and Industrial Applications,
19-21 May, 2005, Emory University, Atlanta, Georgia.
Algoritmy 2005,
13-18 March, 2005, Podbanske, Eslovaquia.
Mat-Triad 2005,
2-5 March, 2005, Bedlewo, Poland.
of some of my colleagues in Valencia
Rafael Cantó Damián Ginestar José Marín José Mas Francisco Pedroche
other links |
in other countries and universities Michele Benzi at Emory university Luca Bergamaschi at University of Padova Joan Josep Climent at Universitat d'Alacant Ljiljana Cvetkovic at University of Novi Sad Violeta Migallón at Universitat d'Alacant Ludwig Elsner at University of Bielefeld Ángeles Martínez at University of Padova Michael Neumann at University of Connecticut José Penadés at Universitat d'Alacant Ventsi Rumchev at Curtin University of Technology Mirek Tůma at Academy of Sciences of Czech Republic Daniel B. Szyld at Temple University in Philadelphia. |