Department of Mathematics

Indian Institute of Technology Delhi

S. Chandra  Sekhara Rao

Department of Mathematics
Indian Institute of Technology Delhi
New Delhi 110 016, INDIA.
Phone: +91-11-26591489(Office)
+91-11-26596829 (Residence)
Fax: +91-11-26581005


  •     Research Interests

    • Parallel Computing
    • Numerical Linear Algebra
    • Computational Ordinary/Partial Differential Equations



    Selected Recent Publications



  • Backward Error Analysis of Choleski Q.I.F. for the Solution of Symmetric Positive Definite Linear Systems,  Appl. Math. Comput.,  226(2014) pp. 398-405. (with Sarita and R Kamra)  


  • Robust High Order Convergence of an Overlapping Schwarz Method for a Singularly Perturbed Semilinear Reaction-Diffusion Problems,   J. Comp. Math. 31(2013) pp. 509-521. (with S Kumar)  


  • An almost fourth order parameter-robust numerical method for a linear system of $(M\ge 2)$ coupled singularly perturbed reaction diffusion problems,   Int. J. Num. Anal. Model.,  10(2013) pp. 603-621. (with M Kumar)  


  • Second Order Global Uniformly Convergent Numerical Method for a Coupled System of Singularly Perturbed Initial Value Problems,  Appl. Math. Comput.,  219(2012) pp. 3740-3753. (with S Kumar)  


  • An Almost Fourth Order Parameter-Uniformlty Convergent Domain Decomposition Method for a Coupled System of Singularly Perturbed Reaction-Diffusion Problems,  J. Comput. Appl. Math.,  235(2011) pp.3342-3354. (with S Kumar)  


  • A Parameter Uniform B-Spline Collocation Method for Singularly Perturbed Semilinear Reaction-Diffusion Problems,  J. Optim. Theory Appl.,  146(2010) pp. 795-809. (with S Kumar and M Kumar)


  • Perameter-Uniformly Convergent Exponential Spline Difference Scheme for Singularly Perturbed semilinear Reaction Diffusion Problems,  Nonlinear Anal. 71(2009) pp. e1579-e1588. (with M Kumar)


  • Exponential B-spline Collocation Method for Self-Adjoint Singularly perturbed Boundary Value Problems,  Appl. Numer. Maths., 58(2008)  pp. 1572-1581. (with M Kumar)


  • Parallel Solution of Large Symmetric Tridiagonal Linear Systems, Parallel Computing, 34(2008) pp. 177-197. (with Sarita)


  • Computation of Eigenvalues of a Real Matrix, Int. J. Comput. Maths., 85(2008) pp. 1849-1863.