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Approaches to Multi-Attribute Group Decision Making Based on Induced Interval-Valued Pythagorean Fuzzy Einstein Hybrid Aggregation Operators

  • Khaista Rahman
  • Saleem Abdullah
  • Asad Ali
  • Fazli Amin
Article
  • 70 Downloads

Abstract

For the multi-attribute group decision-making problems where attribute values are the interval-valued Pythagorean fuzzy numbers, the group decision-making method based on induced Einstein averaging aggregation operators are developed. Firstly, induced interval-valued Pythagorean fuzzy Einstein ordered weighted averaging (I-IVPFEOWA) aggregation operator and induced interval-valued Pythagorean fuzzy Einstein hybrid weighted averaging (I-IVPFEHWA) aggregation operator, were proposed. Some general properties of these operators, such as idempotency, commutativity, monotonicity and boundedness, were discussed, and some special cases in these operators were analyzed. Furthermore, the method for multi-attribute group decision-making problems based on these operators was developed, and the operational progressions were explained in detail. These methods provide more general, more accurate and precise results as compared to the existing methods. Therefore these methods play a vital role in daily life problems. At the end of the paper the proposed operators have been applied to decision making problems to show the weight, practicality and effectiveness of the new approach.

Keywords

Group decision making Interval-valued Pythagorean fuzzy set Einstein operations laws Aggregation operators 

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Copyright information

© Sociedade Brasileira de Matemática 2018

Authors and Affiliations

  • Khaista Rahman
    • 1
  • Saleem Abdullah
    • 2
  • Asad Ali
    • 1
  • Fazli Amin
    • 1
  1. 1.Department of MathematicsHazara University MansehraMansehraPakistan
  2. 2.Department of MathematicsAbdul Wali Khan University MardanMardanPakistan

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