$varepsilon$-Simultaneous approximations of downward sets

Document Type : Research Paper

Authors

1 Islamic Aazad University, Marand, Iran

2 Azarbaidjan University of Tarbiat Moallem, Iran

3 Amirkabir University of Technology, Iran

Abstract

In this paper, we prove some results on characterization of $varepsilon$-simultaneous approximations of downward sets in vector lattice Banach spaces. Also, we give some results about simultaneous approximations of normal sets.

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