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초록
In this paper, we investigate the Hyers-Ulam stability of the following function inequalities parallel to af(x) + bf(y) + cf(z)parallel to <= parallel to Kf (ax + by + cz)/K parallel to (0 < vertical bar K vertical bar < vertical bar a + b + c vertical bar), parallel to af(x) + bf(y) + Kf(z)parallel to <= parallel to Kf (ax + by/K + z)parallel to (0 < K < vertical bar a + b + K vertical bar), in generalized quasi-Banach spaces.
키워드
Hyers-Ulam stability; additive functional inequality; generalized quasi-Banach space; additive mapping; APPROXIMATELY LINEAR MAPPINGS; STABILITY; DERIVATIONS; HOMOMORPHISMS; EQUATION
- 제목
- ADDITIVE FUNCTIONAL INEQUALITIES IN GENERALIZED QUASI-BANACH SPACES
- 저자
- Li, Lexin; Lu, Gang; Park, Choonkil; Shin, Dong Yun
- 발행일
- 2013-10
- 유형
- Article
- 권
- 15
- 호
- 6
- 페이지
- 1165 ~ 1175