A cohesive and exhaustive account of the modern theory of iterative functional equations.

...a cohesive and exhaustive account of contemporary theory of iterative functional equations. It contains many results that have appeared before only in the research literature....the most representative publication on iterative functional equations in the literature. Jaroslav Smital, Mathematical Reviews

Preface; Symbols and conventions; 1. Introduction; 2. Iteration; 3. Linear equations and branching processes; 4. Regularity of solutions of linear equations; 5. Analytic and integrable solutions of linear equations; 6. Theory of nonlinear equations; 7. Equations of higher orders and systems of linear equations; 8. Equations of infinite order and systems of nonlinear equations; 9. On conjugacy; 10. More on the Schroeder and Abel equations; 11. Characterization of functions; 12. Iterative roots and invariant curves; 13. Linear iterative functional inequalities; References; Author index; Subject index.