Abstract and Applied Analysis
Volume 2008 (2008), Article ID 636843, 13 pages
doi:10.1155/2008/636843

Differentiable solutions of equations involving iterated functional series

Wei Song

Deparment of Mathematics, Harbin Institute of Technology, Harbin 150001, China

Abstract

The nonmonotonic differentiable solutions of equations involving iterated functional series are investigated. Conditions for the existence, uniqueness, and stability of such solutions are given. These extend earlier results due to Murugan and Subrahmanyam.