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

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

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

Marek Kuczma was born in 1935 in Katowice, Poland, and died there in 1991. After finishing high school in his home town, he studied at the Jagiellonian Universi