PageHeader : Funkcialaj Ekvacioj, 45 (2002) 341-372 Title : Decomposition of Variation of Constants Formula for Abstract Title : Functional Differential Equations AuthorInfo : By AuthorInfo : Yoshiyuki HINO*, Satoru MURAKAMI and NGUYEN Van Minh AuthorInfo : (Chiba University, Okayama University of Science, Japan and Hanoi University of Science, AuthorInfo : Vietnam) section : 1. Introduction section : 2. Abstract functional differential equations subsection : 2.1. Fading memory phase spaces. subsection : 2.2. A variation of constants formula for FDE. section : 3. Decomposition of variation of constants formula subsection : 3.1. Stable part and unstable part of VCF. subsection : 3.2. Solutions for stable part of VCF. subsection : 3.3. Solutions for unstable part of VCF. section : 4. Almost periodic solutions and quasi periodic solutions section : 5. Appendix subsection : 5.1. Representation of bounded linear functionals. subsection : 5.2. Existence of almost periodic solutions. section : References