Bulletin of the Iranian Mathematical Society

Bulletin of the Iranian Mathematical Society

$varepsilon$-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.
Keywords

Subjects


  • Receive Date 20 May 2011
  • Revise Date 07 October 2011
  • Accept Date 07 October 2011