... GROUPS AND ERGODIC THEORY Proceedings of International Colloquium, 1996 15 COHOMOLOGY OF ARITHMETIC GROUPS, L-FUNCTIONS AND AUTOMORPHIC FORMS Proceedings of International Conference, 1998 Narosa ... volume consists of the proceedings of an International Conference on Automorphic Forms, L-functions and Cohomology of Arithmetic Groups, held at the School of Mathematics, Tata Institute of Fundamental ... for the L-function, and if they can then be extended both to other forms on these groups as well as other groups Another interesting extension of these results would be to extend the converse theorem...