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doi:10.1016/j.ins.2007.02.017 
Copyright © 2007 Elsevier Inc. All rights reserved.
Statistical cluster and extreme limit points of sequences of fuzzy numbers
Received 24 January 2006;
revised 5 February 2007;
accepted 11 February 2007.
Available online 23 February 2007.
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Abstract
In this paper, we investigate the relations between statistical limit superior (or statistical limit inferior) and statistical cluster points of a statistically bounded sequence of fuzzy numbers and show that the set of statistical cluster points of a sequence of this type might be empty.
Keywords: Fuzzy numbers; Sequence of fuzzy numbers; Statistical convergence; Statistical cluster point; Statistical limit superior; Statistical limit inferior
