Advances in Fuzzy Sets and Systems

The Advances in Fuzzy Sets and Systems publishes original research papers in the field of fuzzy sets and systems, covering topics such as artificial intelligence, robotics, decision-making, and data analysis. It also welcomes papers on variants of fuzzy sets and algorithms for computational work.

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THE NUMBER OF DISTINCT FUZZY SUBGROUPS OF THE GROUP $\mathbb{Z}_{p^n} \times \mathbb{Z}_{q^m} \times \mathbb{Z}_r$ FOR DISTINCT PRIMES $p, q, r$ AND $m, n \in \mathbb{Z}^{+}$

Authors

  • Michael Munywoki
  • Babington Makamba

Keywords:

maximal chain, equivalence, fuzzy subgroups.

DOI:

https://doi.org/10.17654/0973421X22006

Abstract

The equivalence relation ' $\sim$ ' defined by Murali and Makamba is used to find the number of the distinct fuzzy subgroups of the group $\mathbb{Z}_{p^n} \times \mathbb{Z}_{q^m} \times \mathbb{Z}_r$, where $p, q, r$ are distinct primes with $m$ and $n$ as positive integers. Using the criss-cut method explained in this paper, explicit formulae are presented.

Received: October 25, 2021
Accepted: November 30, 2021

References

M. Munywoki and B. Makamba, Computing fuzzy subgroups of some special cyclic groups, Commun. Korean Math. Soc. 34(4) (2019), 1049-1067. https://www.koreascience.or.kr/article/JAKO201931765048953.do.

V. Murali and B. B. Makamba, On an equivalence of fuzzy subgroups i, Fuzzy Sets and Systems 123(2) (2001), 259-264.

https://www.sciencedirect.com/science/article/abs/pii/S0165011400000981.

V. Murali and B. B. Makamba, On an equivalence of fuzzy subgroups ii, Fuzzy Sets and Systems 136(1) (2003), 93-104.

https://www.sciencedirect.com/science/article/abs/pii/S0165011402001409.

V. Murali and B. B. Makamba, Counting the number of fuzzy subgroups of an abelian group of order Fuzzy Sets and Systems 144(3) (2004), 459-470. https://www.sciencedirect.com/science/article/abs/pii/S0165011403002240.

V. Murali and B. B. Makamba, On methods of counting preferential fuzzy subgroups, Advances in Fuzzy Sets and Systems 3(1) (2008), 21-42. http://www.pphmj.com/abstract/2955.htm.

O. Ndiweni, The classification of some fuzzy subgroups of finite groups under a natural equivalence and its extension, with particular emphasis on the number of equivalence classes, MS Thesis, University of Fort Hare, Alice, South Africa, 2007.

O. Ndiweni and B. B. Makamba, Distinct fuzzy subgroups of some dihedral groups, Advances in Fuzzy Sets and Systems 9(1) (2011), 65-91. http://www.pphmj.com/abstract/6155.htm.

A. Rosenfeld, Fuzzy groups, J. Math. Anal. Appl. 35(3) (1971), 512-517. https://www.sciencedirect.com/science/article/pii/0022247X71901995.

Published

2022-04-29

Issue

Section

Articles

How to Cite

THE NUMBER OF DISTINCT FUZZY SUBGROUPS OF THE GROUP $\mathbb{Z}_{p^n} \times \mathbb{Z}_{q^m} \times \mathbb{Z}_r$ FOR DISTINCT PRIMES $p, q, r$ AND $m, n \in \mathbb{Z}^{+}$. (2022). Advances in Fuzzy Sets and Systems, 27(1), 111-138. https://doi.org/10.17654/0973421X22006

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