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  • Communications Faculty of Sciences University Ankara Series A1 Mathematics and Statistics
  • Volume:71 Issue:3
  • Power series methods and statistical limit superior

Power series methods and statistical limit superior

Authors : Nilay ŞAHİN BAYRAM
Pages : 752-758
Doi:10.31801/cfsuasmas.1036338
View : 15 | Download : 8
Publication Date : 2022-09-30
Article Type : Research Paper
Abstract :Given a real bounded sequence $x=insert ignore into journalissuearticles values(x_{j});$ and an infinite matrix $A=insert ignore into journalissuearticles values(a_{nj});$ Knopp core theorem is equivalent to study the inequality $limsup{Ax} ≤ limsup{x}.$ Recently Fridy and Orhan [6] have considered some variants of this inequality by replacing $limsup{x}$ with statistical limit superior $st - limsup{x}$. In the present paper we examine similar type of inequalities by employing a power series method $P$; a non-matrix sequence-to-function transformation, in place of $A =insert ignore into journalissuearticles values(a_{nj});$ .
Keywords : Natural density, statistical convergence, statistical limit superior, core of a sequence, power series methods

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