Document Type

Article

Department

Mathematics (CMC)

Publication Date

2014

Abstract

We present an overview of some results about characterization of compactness in which the concept of approximation scheme has had a role. In particular, we present several results that were proved by the second author, jointly with Luther, a decade ago, when these authors were working on a very general theory of approximation spaces. We then introduce and show the basic properties of a new concept of compactness, which was studied by the first author in the eighties, by using a generalized concept of approximation scheme and its associated Kolmogorov numbers, which generalizes the classical concept of compactness.

Comments

Papers presented at the First Conference of Classical and Functional Analysis in Azuga – Romania on 28-29 sept. 2013. The final version published by Transilvania University Press.

Rights Information

© 2014 Asuman G. Aksoy, Jose M. Almira

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