Fuzzy Best Simultaneous Approximation of a Finite Numbers of Functions
Journal: Sahand Communications in Mathematical Analysis (Vol.14, No. 1)Publication Date: 2019-04-01
Authors : Hossain Alizadeh Nazarkandi;
Page : 97-106
Keywords : Fuzzy best Simultaneous approximation; Fuzzy subgradient; Fuzzy dual space; Dual seminorm;
Abstract
Fuzzy best simultaneous approximation of a finite number of functions is considered. For this purpose, a fuzzy norm on $Cleft (X, Y right )$ and its fuzzy dual space and also the set of subgradients of a fuzzy norm are introduced. Necessary case of a proved theorem about characterization of simultaneous approximation will be extended to the fuzzy case.
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