Academic Positions

Research & Teaching Positions

Before Ph.D:

• Research Scholar at TIFR Bombay (August 1980 - June 1981)

• Junior & Senior Research Fellow at IIT Bombay, under BRNS (DAE) Project (July1981-July 1984)

After Ph.D:

• Post Doctoral Fellow at Institute IMAG, Universite de Grenoble, FRANCE, under French Government Scholarship (December 1984 – November 1985; Mentor: Prof. P.J. Laurent)

• Research Scientist at IIT Bombay, under a project sponsored by DST, Govt. of India (February 3, 1986 – February 2, 1987; PI: Prof. M.C. Joshi)

• Lecturer in Mathematics at Goa University (February 3, 1987 – November 30, 1989)

• Reader in Mathematics at Goa University (December 1, 1989 – December 10, 1995)

• Assistant Professor at Department of Mathematics, IIT Madras (December 11, 1995 – December 17, 1996)

• Associate Professor at Department of Mathematics, IIT Madras (December 18, 1996 – January 11, 2004)

• Professor at Department of Mathematics, IIT Madras (January 12, 2004 - June 30, 2022)

• Visiting Professor at Department of Mathematics, BITS Pilani, K K Birla Goa Campus (August 1, 2022 onwards)

Visiting Positions

• Visiting Fellow (March - June, 1989),  Centre for Mathematical Analysis, Australian National University, Australia . (Host: Dr. R.S. Anderssen. )

• Visiting Professor (October - November, 1992),  Fachbereich Mathematik, Universit¨at Kaiserslautern, Germany. (Host: Prof. Dr. Eberhard Schock.)

• Visiting Fellow (June - December, 1993),  Centre for Mathematics and its Applications, Australian National University, Australia.  (Host: Dr. R.S. Anderssen.)

• Visiting Professor (May - June, 1996),  Fachbereich Mathematik, Universit¨at Kaiserslautern, Germany. (Host: Prof. Dr. Eberhard Schock.)

• Visiting Professor (June - July, 1999),  Fachbereich Mathematik, Universit¨at Kaiserslautern, Germany. (Host: Prof. Dr. Eberhard Schock.)

• Visiting Guest Professor (Gaest Dozenten) (April - July, 2002), DAAD at Fachbereich Mathematik, Universit¨at Kaiserslautern, Germany . (Host: Prof. Dr. Eberhard Schock.)

• Visiting Mathematician (May 20 - June 17, 2011), School of Mathematics and Computational Sciences, Sun Yat-sen University, Guangzhou, China.  (Host: Prof. Yeushing Xu.)

• Visiting Professor (June 5 - June 30, 2016),  Institut Camille Jordan, University of St-Etienne, France. (Host: Prof. Laurence Grammont.)

• Visiting Mathematician (September 18-24, 2018),  Weiertrass Institute for Applied Analysis and Stochastics, Berlin, Germany.  (Host: Prof. Dr. Peter Mathe.)

• Visiting Mathematician (September 24-29, 2018),  University of Chemnitz, Germany.  (Host: Prof. Dr. Bernd Hofmann.)

• Visiting Mathematician (June 10 - July 8, 2019),  School of Mathematics and Computational Sciences, Sun Yat-sen University, Guangzhou, China. (Host: Prof. Honqi Yang.)

Other Foreign Institutions Visited

• University of New South Wales, Sydney, Australia, June 14, 1989. 

(Purpose: To give a Seminar.  Host: Prof. Ian H. Sloan, during the visit to ANU, Canberra.)

• Technischen Universit¨at, Berlin, Germany, July 6, 1999. 

(Purpose: To give aSeminar.  Host: Prof. Dr. Robert Plato, during the visit to University of Kasiserslautern.)

• Universit¨at Karlsruhe, Germany, June 13, 2002.  

(Purpose: To give a Seminar.  Host: Prof. Dr. Andreas Rieder, during the visit to University of Kasiserslautern.)

• Johannes Gutenberg Universit¨at Mainz, Germany, June 19, 2002. 

(Purpose: To give a Colloquium talk: Host:  Prof. Dr. Martin Hanke, during the visit to University of Kasiserslautern.)

• Sun Yat-sen University, Guangzhou, China, Dec. 17-21, 2009. 

(Purpose: To give an Invited Talk at the  International Conference/workshop on Computational methods for ill-posed problems.)

• Radon Institute for Computational and Applied Mathematics (RICAM), Linz, Austria, June 29-July 2, 2010. 

(Purpose: To give an  Invited Talk at the International Conference/workshop on Impact of Smoothness on Regularization.)

• Institute of Geology and Geophysics, The Chinese Academy of Sciences, Beijing, China,   July 12 - July 15, 2010  and         June 2-5, 2011.

(Purpose: (i) To give an  Invited Talk at the 2nd International Workshop on Computational Inverse Problems and Applications. (ii)  To give a Seminar. Host: Prof. Yanfei Wang.)

• People’s Friendship University, Moscow, Russia, August 21-August 28, 2011. 

(Purpose: To give an Invited Talk at  the 8th International Conference of ISAAC.)

• Ecole des Mines, Albi, France, 26–28 June 2013. 

(Purpose: To give an  Invited Talk at the 4th International Symposium on Inverse Problems, Design and Optimization.)