International Journal of Mathematics and Mathematical Sciences
Volume 23 (2000), Issue 4, Pages 289-295

Double and triple summation expressions obtained using perturbation theory

Harry A. Mavromatis

Physics Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia

Received 4 May 1998

Copyright © 2000 Harry A. Mavromatis. 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.


Using standard perturbation theory, simple new double and triple summation expressions are obtained.