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.