International Journal of Mathematics and Mathematical Sciences
Volume 11 (1988), Issue 1, Pages 201-204
Research Notes

A note on the unique solvability of a class of nonlinear equations

Rabindranath Sen1 and Sulekha Mukherjee2

1Department of Applied Mathematics, University College of Science, 92, Acharya Prafulla Chandra Road, Calcutta 700009, India
2Department of Mathematics, University of Kalyani, Kalyani, Dt.Nadia, West Bengal, India

Received 28 April 1986; Revised 17 September 1986

Copyright © 1988 Rabindranath Sen and Sulekha Mukherjee. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The aim of the present note is to devise a simple criterion for the existence of the unique solution of a class of nonlinear equations whose solvability is taken for granted.