Rough fermatean fuzzy ideals in semigroups

Author:

Khan Faiz Muhammad1,Bibi Naila12,Xin Xiao Long34,Muhsina 15,Alam Aftab1

Affiliation:

1. Department of Mathematics and Statistics, University of Swat, Khyber Pakhtunkhawa, Pakistan

2. Govt, Girls Degree College Khwazakhela Swat, Pakistan

3. School of Science, Xi’an Polytechnic University, Xi’an, China

4. School of Mathematics, Northwest University, Xi’an, China

5. Govt, Girls Degree College Madyan Swat, Pakistan

Abstract

In multiple criteria decision making (MCDM) problem, the decision maker deal with a situation where the sum of membership and non-membership grade of an attributes does not belongs to [0, 1]. To avoid such a situation, we proposed a new type of fuzzy system known as fermatean fuzzy system. More precisely, we presented the notion of fermatean fuzzy ideal theory and rough fermatean fuzzy sets in semigroups. The idea of lower and upper approximation in fermatean fuzzy sets has been initiated. The study has been further extended to rough fermatean fuzzy left(resp. right, interior) ideals in semigroup. Several results related to this notion are determined.

Publisher

IOS Press

Subject

Artificial Intelligence,General Engineering,Statistics and Probability

Reference44 articles.

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5. Intuitionistic fuzzy interior ideals of semigroups;Kim;International Journal of Mathematics and Mathematical Sciences,2001

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