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On hypercentral fuzzy groups. (English) Zbl 1258.20064
Summary: In an arbitrary fuzzy group we construct the upper central series and consider some of its properties. In particular, the characterization of nilpotent fuzzy group has been obtained.
MSC:
20N25 Fuzzy groups
20F14 Derived series, central series, and generalizations for groups
20F18 Nilpotent groups
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