Demirci K.2020-06-252020-06-25200004201213https://hdl.handle.net/20.500.12587/1644In this paper we extend the concepts of statistical limit superior and inferior (as introduced by FVidy and Orhan) to A-statistical limit superior and inferior and give some A-statistical analogue of properties of statistical limit superior and inferior for a sequence of real numbers. Also we extend the concept of statistical core to A-statistical core and get necessary and sufficient conditions on a matrix T so that the Knopp core of Tx is contained in the A-statistical core of a bounded complex number sequence x. © 2000 Warsaw University. All rights reserved.eninfo:eu-repo/semantics/closedAccessArticle3323433532-s2.0-85053231859Q1