This volume covers the topic in functional equations in a broad sense and is written by authors who are in this field for the past 50 years. It contains the bas

The notion of stability of functional equations of several variables in the sense used here had its origins more than half a century ago when S. Ulam posed the

Functional Equations and Inequalities with Applications presents a comprehensive, nearly encyclopedic, study of the classical topic of functional equations. Thi

This volume provides an extensive study of some of the most important topics of current interest in functional equations and inequalities. Subjects dealt with i

This handbook consists of seventeen chapters written by eminent scientists from the international mathematical community, who present important research works i