A general uniqueness theorem concerning the stability of monomial functional equations in fuzzy spaces
- Authors
- Lee, Yang-Hi; Jung, Soon-Mo
- Issue Date
- Feb-2015
- Publisher
- SPRINGER INTERNATIONAL PUBLISHING AG
- Keywords
- uniqueness; stability; Hyers-Ulam stability; generalized Hyers-Ulam stability; monomial functional equation; monomial mapping
- Citation
- JOURNAL OF INEQUALITIES AND APPLICATIONS, v.2015, pp.1 - 11
- Journal Title
- JOURNAL OF INEQUALITIES AND APPLICATIONS
- Volume
- 2015
- Start Page
- 1
- End Page
- 11
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/13690
- DOI
- 10.1186/s13660-015-0586-7
- ISSN
- 1029-242X
- Abstract
- In this paper, we prove a general uniqueness theorem that can easily be applied to the (generalized) Hyers-Ulam stability of a large class of functional equations, which includes monomial functional equations (e.g. the Cauchy additive functional equation, the quadratic functional equation, and the cubic functional equation, etc.). This uniqueness theorem can save us much trouble in proving the uniqueness of relevant solutions repeatedly appearing in the stability problems for functional equations in fuzzy spaces.
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