International Conferences and Mini-Conferences :

 

  1. A Galerkin method for the FitzHugh-Nagumo reaction diffusion system- (30 minutes) in the International Conference on Mathematical Model in Biological, Ecological and Environmental Systems, held in IIT Kanpur (27-30th August, 1985).

  2. An  H1-Galerkin method for quasilinear parabolic partial differential equations- (30 minutes) in the International Conference on Methods in Functional Analysis and Approximation Theory, held in IIT, Bombay (16-20th December'85).

  3. Method of time discretization for a nonlinear second order hyperbolic equation- (30 minutes) in the International Conference on Nonlinear Analysis and Its Applications to Biomathematics, held in Andhra University, Vijaywada (24-28 August'87).

  4. A priori error estimates for finite element Galerkin approximations to a  free boundary problem in polymer technology -(30 minutes) in the  Mini-Conference on Free and Moving and Diffusion Problems, held in the Centre for Mathematical Analysis, ANU, Canberra (14-16th June'90).

  5. A finite element Galerkin method for parameters identification in parabolic problems-(30 minutes) in the Mini-Conference on Inverse Problems in Partial Differential Equations, held in the Centre for Mathematical Analysis, ANU,  Canberra (23-25th August'90).

  6. A finite element method for parabolic free boundary problems -(30 minutes) in  the Mini-Conference on Approximate Methods for Boundary Value Problems,  held in the Centre for Mathematical Analysis, ANU, Canberra (12-14th  December'90).

  7. On lumped mass finite element method with quadratures for  integro-differential equations of parabolic type -(30 minutes) in the  International conference on Modern Analysis and Its Applications, held in  IIT, Delhi (11-14th December'92).

  8. Enhanced Oil Recovery in Reservoir Studies: Some Computational Issues -(30  minutes) in the International conference on New Directions in Applied Mathematics , held in Hyderabad, (11-14th December'95). (with M. A. Mohamed Ali)

  9. An H1Mixed finite element Galerkin method for parabolic problems -(30  minutes) in the International conference on Nonlinear Differential Equations  and Applications, held in TIFR, Bangalore, (19-23rd August'96).

  10. An alternate mixed finite element method for parabolic partial differential equations in the Recent Advances in Numerical Simulations of PDEs held in ICTP, Trieste from September 19-27th.'96.

  11. Some computational issues in Oil Reservoir Simulation- (45 minutes) in the  International Conference on Functional Analysis with Applications, held     in Aligarh Univ., Aligarh from Dec.16-19, 1996. (with M.A. Mohamed Ali).

  12. IIT-Industry Linkage : A Mathematical Perceptive -(45 minutes) in the International Conference on Numerical and Stochastics Modeling, held in Utkal University at Bhubaneswar from January 5-7, 1997.

  13. An H1 Galerkin Mixed method for Parabolic Equations -(45 minutes) in the International Conference on Analysis and Applications, held in     Chiangmai University (Thailand), during 18th-19th May'2000.

  14. An Alternate Mixed Finite Element Method for Evolution Equations-(30 minutes) in the the International Conference on Applied Nonlinear Analysis 2000, held in Pukyong National University, Pusan (South     Korea), during 15-16th June'2000.

  15. Oldroyd Model of Viscoelastic Fluids: Some Theoretical and Computational Issues, (30 minutes) in the annual meeting of Korean Applied Mathematics Forum, held in Songee Mountain (June 26-28th'2000).

  16. Particle Size Distribution in Emulsion Polymerizations: Some Computational Issues, (one hour) in the session on Applied Analysis and Industrial Mathematics in the Third World Congress on Nonlinear     Analysts 2000, held in Univ. Catania (Italy), during 19-26th July'2000.

  17. Numerical Simulation of Particle Size Distribution in Emulsion Polymerization Process (one hour) in the International Conference on Nonlinear Systems : Modeling, Simulation and Applications, held in NES College, Nanded during 26th Dec. to 29th Dec.'2000.

  18. Particle Size Distribution in Emulsion Polymerization--An Industrial Case Study and Its Impact in Mathematical Research in the International Conference on Industrial and Applied Mathematics in the Indian Subcontinent, held at Amritsar during 22nd to 25th January'2001.

  19. Oldroyd Model of Viscoelastic Fluids: Some Theoretical and Computational Issues (45 minutes) in the International Conference on Current Trends in Differential Equations and Dynamical Systems held in IIT Kanpur from 15th Dec. to 17th Dec.'2001.

  20. Oldroyd Model of Viscoelastic Fluids: Some Theoretical and Computational Issuesin the French Indian Cyber-Workshop on Applied Mathematics between IISc and Toulouse University held in IISc Banglore during 3rd to 6th February'03.

  21. Finite Element Galerkin Methods for the equations of Motions Arising in the Model of Viscoelastic fluidsin the Eleventh conference on the Mathematics of Finite Element and Applications held at Brunel University during 21-24 June, 2003.

  22. Plenary Talk on Oldroyd model in Viscoelastic Fluid Flow Problems: Some Theoretical and Computational Issuesin the International Conference on Complex Systems, Control and Optimizations held in Northeastern University, Shenyang (China) during August 8-12, 2004.
  23. Given 45 minutes invited talk entitled A New Mixed Finite Element Method for Evolution Equations: An Old Wine in a New Bottle in the Indo-French Workshop on Partial Differential Equations and Applications during February 07-12, 2005 held in IISc Banglore.

  24. Given a talk on `Oldroyd Viscoelastic Model : Theoretical and Computational issues in the international Congress of Industrial and Applied Mathematics (ICIAM-2007), ETH Zurich, Switzerland July 16{20, 2007

  25. Invited talk on `Local Discontinuous Galerkin Method for Nonlinear Elliptic Problems' in the 6th International Conference on Scientific Computing and Applications, held in Pusan National Univ., Busan, Korea during June 2-5,08.

  26. Invited talk entitled ` Oldroyd model: Theoretical and Computational Issues' in the Satelite conference ICMPDE held in TIFR, Bangalore during Aug. 13-17, 2010.

  27. Invited talk entitled` A posteriori estimates for multi-asset American options' in the Intenational Conference on International Conference on Mathematical Modeling in Industry (ICMMI) held in Univ. Sao Paulo, Brazil during November 30 to 2nd December, 2011.

  28. Invited talk in the AMSS-PolyU Joint Research Institute Second Workshop on `Computational Mathematics' held in the Hong Kong Polytechnic University, Hong Kong during May 25th-26th, 2012

  29. Invited talk in the International Conference on `Applied Mathematics: Modeling, Analysis and Computation' held in City University of Hong Kong, during 28 May - 1 June, 2012.

  30. Plenary Talk in the International Conference on `Computational Methods in Applied Mathematics (CMAM-5)' held in Humboldt University, Berlin during July 30 - August 3, 2012.