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Statistical cluster points of sequences in finite dimensional spaces

- Pehlivan, Serpil, Guncan, A., Mammadov, Musa

**Authors:**Pehlivan, Serpil , Guncan, A. , Mammadov, Musa**Date:**2004**Type:**Text , Journal article**Relation:**Czechoslovak Mathematical Journal Vol. 54, no. 1 (2004), p. 95-102**Full Text:**false**Reviewed:****Description:**In this paper we study the set of statistical cluster points of sequences in m-dimensional spaces. We show that some properties of the set of statistical cluster points of the real number sequences remain in force for the sequences in m-dimensional spaces too. We also define a notion of T-statistical convergence. A sequence x is**Description:**C1**Description:**2003000896

Statistical limit inferior and limit superior for sequences of fuzzy numbers

- Aytar, Salih, Mammadov, Musa, Pehlivan, Serpil

**Authors:**Aytar, Salih , Mammadov, Musa , Pehlivan, Serpil**Date:**2006**Type:**Text , Journal article**Relation:**Fuzzy Sets and Systems Vol. 157, no. 7 (2006), p. 976-985**Full Text:**false**Reviewed:****Description:**In this paper, we extend the concepts of statistical limit superior and limit inferior (as introduced by Fridy and Orhan [Statistical limit superior and limit inferior, Proc. Amer. Math. Soc. 125 (12) (1997) 3625-3631. [12]]) to statistically bounded sequences of fuzzy numbers and give some fuzzy-analogues of properties of statistical limit superior and limit inferior for sequences of real numbers. © 2005 Elsevier B.V. All rights reserved.**Description:**C1**Description:**2003001832

The core of a sequence of fuzzy numbers

- Aytar, Salih, Pehlivan, Serpil, Mammadov, Musa

**Authors:**Aytar, Salih , Pehlivan, Serpil , Mammadov, Musa**Date:**2008**Type:**Text , Journal article**Relation:**Fuzzy Sets and Systems Vol. 159, no. 24 (2008), p. 3369-3379**Full Text:**false**Reviewed:****Description:**In this paper, based on level sets we define the limit inferior and limit superior of a bounded sequence of fuzzy numbers and prove some properties. We extend the concept of the core of a sequence of complex numbers, first introduced by Knopp in 1930, to a bounded sequence of fuzzy numbers and prove that the core of a sequence of fuzzy numbers is the interval [ν, μ] where ν and μ are extreme limit points of the sequence. © 2008 Elsevier B.V. All rights reserved.

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