Jose E. Roman

Universitat Politècnica de València
D. Sistemes Informàtics i Computació
Camí de Vera, s/n
E-46022 València (Spain)

Tel.: +34-963877007 ext. 83520
Office 1D05 - Building 1F (see map)



Topics of Interest
  • Numerical solution of large-scale sparse eigenvalue problems.
  • Software engineering for large-scale scientific computing.
  • General: numerical linear algebra, PDE's, high performance computing.
Research Projects
  • SLEPc: the Scalable Library for Eigenvalue Problem Computations.
    Funding: Ministerio de Economía y Competitividad; Reference: TIN2013-41049-P; PI: Jose E. Roman; Period: 2014-2016.
Preprints and recent papers
  • E. Romero, J. E. Roman. A parallel implementation of Davidson methods for large-scale eigenvalue problems in SLEPc. ACM Trans. Math. Softw.
  • D. Kressner, J. E. Roman. Memory-efficient Arnoldi algorithms for linearizations of matrix polynomials in Chebyshev basis. Numer. Linear Algebra Appl. [PDF]
  • C. Campos, J. E. Roman. Restarted Q-Arnoldi-type methods exploiting symmetry in quadratic eigenvalue problems. BIT Numer. Math [PDF]
  • O. Vega-Gisbert, J. E. Roman, J. M. Squyres. Design and implementation of Java bindings in Open MPI. [PDF]
  • C. Campos, J. E. Roman. Parallel Krylov solvers for the polynomial eigenvalue problem in SLEPc. [PDF]
  • C. Campos, J. E. Roman. Parallel iterative refinement in polynomial eigenvalue problems. [PDF]
  • A. Lamas Daviña, E. Ramos, J. E. Roman. Optimized analysis of isotropic high-nuclearity spin clusters with GPU acceleration. [PDF]


I am the lead developer of SLEPc.

Scalable Library for
Eigenvalue Problem Computations


I will be attending the following forthcoming events:

Recent events I have attended:


Carmen Campos
  • PhD: ongoing (topic: Krylov and rational Krylov methods for quadratic eigenvalue problems and other related problems).
  • MSc thesis (2012): Extensión de la librería SLEPc para el cálculo de todos los valores propios contenidos en un intervalo en problemas simétricos [PDF]
Alejandro Lamas Daviña
  • PhD: ongoing (topic: parallel algorithms for dense and sparse linear algebra on graphics processors).
  • Eloy Romero (2012): Parallel implementation of Davidson-type methods for large-scale eigenvalue problems [PDF], see also MSc thesis (2008): Implementación paralela del método de minimización de la traza para el problema de valores propios generalizado simétrico [PDF]
  • Andrés Tomás (2009): Implementación paralela de métodos de Krylov con reinicio para problemas de valores propios y singulares [PDF]


See my timetable for the current semester.

Undergraduate Courses
  • Fall 2015: Parallel Computing
  • Spring 2016: Scientific Computing
Postgraduate Courses
Master programme in Parallel and Distributed Computing
  • Fall 2015: Parallel Programming Technology
  • Fall 2015: High-Performance Libraries for Sparse Algebraic Problems
  • Spring 2016: Data Management and Visualization in Scientific Computing

Biographical Sketch

Jose E. Roman received a degree in Computer Science from Universitat Politècnica de València (UPV) in 1996. He received his Ph.D. in Computer Science from UPV in 2003. He has been a lecturer at UPV since 2000 and faculty member since 2003.

Visiting Positions