1Department of Mathematics, Liaoning Normal University, P. O. Box 200, Dalian, Liaoning 116029, People's Republic of China. Email: zeqingliu@dl.cn, zhenyuguo@163.com
2Department of Mathematics and Research Institute of Natural Science, Gyeongsang National University, Jinju 660701, Korea. Email: smkang@nongae.gsnu.ac.kr
3Research Institute of Natural Science, Gyeongsang National University, Jinju 660701, Korea. Email: math@nongae.gsnu.ac.kr
*Corresponding author.
AMS subject classification: 19L20, 49L99, 90C39.
A fixed point theorem for a new contractive type mapping involving a countable family of pseudometrics is established. As its application, the existence, unique ness and iterative approximation of solution for a functional equation arising in dynamic programming of multistage decision processes are given.
Fixed point, iterative approximation, solution, functional equation, dynamic programming