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초록
Using the direct and fixed point methods, we obtain the Hyers-Ulam stability of the following additive-quadratic functional equation: in a Banach space. 2h(p+q,r+s) +h(p +q,r-s) = 3 [h(p,r) +h(p,s) +h(q,r) +h(q,s)] (1)
키워드
Hyers-Ulam stability; additive-quadratic functional equation; direct method; fixed point method; INEQUALITIES
- 제목
- Stability of an Additive-Quadratic Functional Equation in a Banach Space
- 저자
- Donganont, Siriluk; Park, Choonkil; Jun-on, Nipa; Suparatulatorn, Raweerote
- 발행일
- 2025-08
- 유형
- Article
- 저널명
- INTERNATIONAL JOURNAL OF ANALYSIS AND APPLICATIONS
- 권
- 23
- 페이지
- 1 ~ 13