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초록
In this paper, we investigate the stability of the functional equation f (-x + y + z + w) + f (x - y + z + w) + f (x + y + z - w) + f (x + y + z - w) = 3f (x) f (-x) + 3f (Y) f (-y) + 3f (z) f (- z) + 3f (w) f (-w) by using the direct method in the sense of Hyers.
키워드
generalized Hyers-Ulam stability; Hyers-Ulam stability; direct method; mixed type functional equation
- 제목
- On the Stability of a Mixed Type Functional Equation
- 저자
- Lee, Yang-Hi; Jung, Soon-Mo
- 발행일
- 2015-03
- 유형
- Article
- 권
- 55
- 호
- 1
- 페이지
- 91 ~ 101