Department of Mathematics

Indian Institute of Technology Delhi


S. Chandra  Sekhara Rao
Professor


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
E-mail:  scsr@maths.iitd.ac.in

    

·      Research Interests

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

 

                                                                    

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

 

Selected Recent Publications

 

· 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. 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)