Association Journal of CSIAM
Supervised by Ministry of Education of PRC
Sponsored by Xi'an Jiaotong University
ISSN 1005-3085  CN 61-1269/O1

Chinese Journal of Engineering Mathematics ›› 2021, Vol. 38 ›› Issue (6): 822-844.doi: 10.3969/j.issn.1005-3085.2021.06.006

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Distributivity of T-power Implications Over t-norms and t-conorms

FU Yijia,   ZHOU Hongjun   

  1. School of Mathematics and Statistics, Shaanxi Normal University, Xi'an 710119
  • Online:2021-12-15 Published:2022-02-15
  • Contact: H. Zhou. E-mail address: hjzhou@snnu.edu.cn
  • Supported by:
    The National Natural Science Foundation of China (61473336; 12171292); the Youth Science and Technology Star Program of Shaanxi Province (2016KJXX-24).

Abstract:

Distributivity equations of fuzzy implications over triangular norms and triangular conorms play an important role in approximate reasoning, especially in fuzzy reasoning and control. A great deal of researches have been done on the distributivity equations of fuzzy implications over triangular norms and triangular conorms. Recently, Massanet et al. proposed a new kind of fuzzy implications based on powers of continuous t-norms, called T-power based implications and made an in-depth study of its properties. To extend the knowledge system of T-power implications and distributivity equations of fuzzy implications over triangular norms and triangular conorms, the paper studies four distributivity equations of T-power implications over triangular norms and triangular conorms. Necessary and sufficient conditions for the four distributivity equations of T-power implications over triangular norms and triangular conorms are given. This paper also points out that T-power implications are different from other well-known classes of fuzzy implications, and improves finally the knowledge framework of fuzzy implications.

Key words: fuzzy implication, T-power implication, distributivity equations, t-norm, t-conorm

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