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



                                                                                                               MTL101  (Linear Algebra and Differential Equations)    2018-19  II SEMESTER


Selected Recent Publication


·  A stable parallel algorithm for block tridiagonal toeplitz-block-toeplitz linear systems, Math. Comput. Simulation 190(2021) pp. 1415-1440. (with R Kamra)

·  Parameter-uniform numerical method for a two-dimensional singularly perturbed convection-reaction-diffusion problem with interior and boundary layers,

     Math. Comput. Simulation 187(2021) pp. 656-686. (with AK Chaturvedi)

·  A discrete Schwarz waveform relaxation method of higher order for singularly perturbed parabolic reaction-diffusion problems,

    J. Math. Chem., 58(2020) pp. 574-594. (with S Kumar and J Singh)

·  Parameter-uniform convergence of a numerical method for a coupled system of singularly perturbed semilinear reaction-diffusion equations with boundary and interior layers,

    J. Comput. Appl. Math. 352(2019) pp. 223-239. (with S Chawla)

· A hybrid parallel algorithm for large sparse linear systems, Numer. Linear Algebra Appl. 25(2018) e2210, 16 pp. (with R Kamra)

·  Numerical solution of singularly perturbed linear parabolic system with discontinous source term, Appl. Numer. Maths., 127(2018) pp. 249-265. (with S Chawla)  

·  Numerical solution of generalized Black-Scholes model, Appl. Math. Comput., 321(2018) pp. 401-421. (with Manisha)    

·  A robust domain decomposition algorithm for singularly perturbed semilinearsystems, Intern. J. Comput. Maths., 94(2017) pp. 1108-1122. (with S Kumar)   

·  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. Comput. 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)