# ON THE HYERS-ULAM STABILITY OF A GENERALIZED QUADRATIC AND ADDITIVE FUNCTIONAL EQUATION

• JUN, KIL-WOUNG (Department of Mathematics, Chung-nam National University) ;
• KIM, HARK-MAHN (Department of Mathematics, Chung-nam National University)
• Published : 2005.02.01

#### Abstract

In this paper, we obtain the general solution of a gen-eralized quadratic and additive type functional equation f(x + ay) + af(x - y) = f(x - ay) + af(x + y) for any integer a with a $\neq$ -1. 0, 1 in the class of functions between real vector spaces and investigate the generalized Hyers- Ulam stability problem for the equation.

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