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