Distinct Fuzzy Subgroups of a Dihedral Group of Order $2pqrs$ for Distinct Primes $p, , q, , r$ and $s$

نویسندگان

  • Babington Makamba Department of Mathematics, University of Fort Hare, Alice 5700 , Eastern Cape , South Africa
  • Odilo Ndiweni Department of Mathematics, University of Fort Hare, Alice 5700 , Eastern Cape , South Africa
چکیده مقاله:

In this paper we classify fuzzy subgroups of the dihedral group $D_{pqrs}$  for distinct primes  $p$, $q$, $r$ and $s$. This follows similar work we have done on distinct fuzzy subgroups of some dihedral groups.We present formulae for the number of (i) distinct maximal chains of subgroups, (ii) distinct fuzzy subgroups and (iii) non-isomorphic classes of fuzzy subgroups under our chosen equivalence and isomorphism. Some results presented here hold for any dihedral group of order $2n$ where $n$ is a product of any number of distinct primes.

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عنوان ژورنال

دوره 12  شماره 3

صفحات  137- 149

تاریخ انتشار 2015-06-30

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