• Journal of applied mathematics & informatics
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• v.6 no.1
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• pp.167-202
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• 1999

In this paper we introduce the concept of an interval-valued fuzzy subhypergroup of a hypergroup which is an extended notion of a fuzzy subhypergroup of a hypergroup and give some properties of such subhypergroups.

• Journal of applied mathematics & informatics
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• v.6 no.1
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• pp.197-197
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• 1999

• The Pure and Applied Mathematics
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• v.10 no.3
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• pp.163-169
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• 2003

In this paper we present a new and natural interpretation of subhypergroups in a partially ordered algebra. Then we study their connection with corresponding crisp concepts through their newly defined Q-cuts. The theorems proved also highly generalized the existing ones.