
Additive functions and special sets of integers.- Some new problems and results in number theory.- Some recent results on positive values of non-homogeneous indefinite quadratic forms.- On a number of theoretical problems involved in the study of the physics of spin-systems.- Order-free integers (mod m).- Perfect totient numbers.- A brief summary of some results in the analytic theory of numbers-II.- Addendum to my paper a brief summary of some results in the analytic theory of numbers.- Some ?-results for Ramanujan's ?-function.- On certain expoential and character sums.- Partitions with congruence conditions and color restrictions.- Problem session (Chaired by Prof. P. Erdös) two problems proposed by K. Ramachandra.
BookNumber Theory, Madras 1987 Proceedings of the International Ramanujan Centenary Conference, held at Anna University, Madras, India, December 21, 1987