Numerous detailed proofs highlight this treatment of functional equations. Starting with equations that can be solved by simple substitutions, the book then mov

The stability problem for approximate homomorphisms, or the Ulam stability problem, was posed by S. M. Ulam in the year 1941. The solution of this problem for v

Many books have been written on the theory of functional equations, but very few help readers solve functional equations in mathematics competitions and mathema

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

Functional Equations, Inequalities and Applications provides an extensive study of several important equations and inequalities, useful in a number of problems