In this paper, we put forward the concepts of directional derivative, di erential and subdi erential of fuzzy mappings from R n into E 1 , and discuss the characterizations of directional derivative and di erential by, respectively, using the directional derivative and di erential of two crisp funct
Properties of b-vex fuzzy mappings and applications to fuzzy optimization
โ Scribed by Li Dengfeng
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 496 KB
- Volume
- 94
- Category
- Article
- ISSN
- 0165-0114
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โฆ Synopsis
Convexity plays a key role in operations research and fuzzy optimization theory. The concept of b-vex and logarithmic b-vex for fuzzy mappings is introduced by relaxing the definition of convexity of a fuzzy mapping. Most of the basic properties of b-vex fuzzy mapping are discussed and established for the nondifferentiable case. Necessary and sufficient conditions for b-vex fuzzy mapping are presented. Several important results are given for nonlinear fuzzy optimization problems assuming that objective and constraint functions are b-vex fuzzy mappings.
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