INVITED TALKS

1. Foreign Universities:

(a) Delivered at Thurnau, Germany, October 29-31, 1994 on Lie Solvable Group Rings.

2. Indian Universities:

(a) International Conference on Analysis and Discrete Structures (ICADS-2002), held at IIT Kharagpur,  Dec 22-24, 2002. I also chaired                  two sessions at this conference.

(b) Delivered lectures on March 27-28, 2001, in the eighth refresher course in Mathematics on Algebra, Geometry and its Applications at                the Department of Mathematics, Academic Staff College,  University of Burdwan, Burdwan, West Bengal.

(c) Golden Jubilee International Conference on Mathematics held at Lucknow University, Lucknow from Dec 31, 1999 to Jan 3, 2000.

(d) Indian Science Congress held at Osmania University, Hyderabad on January 7, 1998, on Lie Algebras of Group Algebras

(e) University of Kurukshetra University, Kurukshetra, Panjab University, Chandigarh, I. I. T. Delhi ...     etc.

1. Institut fur Mathematik der Universitat Augsburg, Germany.

(a) Topic of Research: Lie Properties and Unit Groups of Group Rings.

(b) Period: one Year (April 1994- March 1995).

2. Departement de Mathematiques, Universite de Poitiers, France.

(a) Topic of Research: Lie algebraic Properties of Group Rings.

(b) Period: Two years (October 1984- August 1986).

3. Also visited: University of Zurich, E. T. H., Zurich, Switzerland, ... etc.