Ronnason Chinram1, Wichayaporn Jantanan2,
Natee Raikham2, Pattarawan Singavananda3 1Division of Computational Science
Faculty of Science
Prince of Songkla University
Hat Yai, Songkhla 90110, THAILAND 2Department of Mathematics
Faculty of Science
Buriram Rajabhat University
Buriram 31000, THAILAND 3 Program in Mathematics
Faculty of Science and Technology
Songkhla Rajabhat University
Songkhla 90000, THAILAND
The notion of covered one-sided ideals of a semigroup was introduced by Fabrici in 1981. In this paper, we introduce covered left ideals and covered right ideals of a ternary semigroup. We study some results of a ternary semigroup containing covered left ideals and give the conditions for every proper left ideal of a ternary semigroup to be a covered left ideal. The results of a ternary semigroup containing covered right ideals can be considered dually.
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