Professor's Name
Temporary Faculty Image Holder
Roger B. Sidje
Assistant Professor
roger.b.sidje@ua.edu
(205) 348-1986

Education:
  • BSc, University of Yaounde, Cameroon, 1989
  • MCompSci, University of Yaounde, Cameroon, 1990
  • PhD, University of Rennes 1, France, 1994

Research Focus:

  • Computational mathematics.
  • Applications in Markov chains, computational biology, computational engineering

Specialty Fields :

  • Numerical methods in linear systems and eigenvalue problems, matrix exponentials, matrix functions and differential equations
  • Advanced computing

Selected Publications

  • McNamara, S., Bersani, A.M., Burrage, K., and Sidje, R.B. Stochastic chemical kinetics and the total quasi-steady-state assumption: application to the stochastic simulation algorithm and chemical master equation. J. Chem. Phys., 129, 095105, 2008.http://dx.doi.org/10.1063/1.2971036
  • Hoang, N.S. and Sidje, R.B. On the stability of functionally fitted Runge-Kutta methods. BIT Numerical Mathematics, 48(1):61-77, 2008. http://dx.doi.org/10.1007/s10543-007-0158-4
  • Sidje, R.B., Williams, A.B., and Burrage, K. Fast Generalized Cross Validation using Krylov subspace methods. Numerical Algorithms, 47(2):109-131, 2008. http://dx.doi.org/10.1007/s11075-007-9150-y
  • MacNamara, S., Burrage, K., and Sidje, R.B. Multiscale modeling of chemical kinetics via the master equation. SIAM J. Multiscale Modeling and Simulation, 6(4):1146-1168, 2008. http://dx.doi.org/10.1137/060678154
  • Sidje, R.B., Burrage, K., McNamara, S. Inexact Uniformization method for computing transient distributions of Markov chains. SIAM J. Sci. Comput., Vol. 29, No. 6, pp. 2562-2580, 2007. http://dx.doi.org/10.1137/060662629
  • Hoang, N.S., Sidje, R.B. and Cong, N.H. Analysis of Trigonometric Implicit Runge-Kutta Methods. J. Comput. Appl. Math., Vol. 198, pp. 187-207, 2007. http://dx.doi.org/10.1016/j.cam.2005.12.006
  • Sidje, R.B., and Burrage, K. (2005): QRT: A QR-Based Tridiagonalization Algorithm for Nonsymmetric Matrices. SIAM J. Mat. Anal. Appl., Vol. 26, No. 3, pp. 878-900, 2005. http://dx.doi.org/10.1137/040612476
  • Sidje, R.B. and Stewart, W. J.  A Numerical Study of Large Sparse Matrix Exponentials Arising in Markov Chains. Computational Statistics & Data Analysis, Vol. 29, pp. 345-368, 1999.
  • Sidje, R.B. Expokit: A Software Package for Computing Matrix Exponentials. ACM, Transactions on Mathematical Software, Vol. 24(1), 1998. [This paper has received over 160 citations as of August 2009.]
  • Sidje, R.B.: Alternatives for Parallel Krylov Basis Computation. Numerical Linear Algebra with Applications, Vol. 4(4), 305-331, 1997.