On Best Approximations from RSsets in Complex Banach Spaces

Authors
Li, Chong
Citation
Li, Chong, On Best Approximations from RSsets in Complex Banach Spaces, Acta mathematica Sinica. English series (Print) , 21(1), 2004, pp. 31-38
Journal title
Acta mathematica Sinica. English series (Print) → ACNP
ISSN journal
14398516
Volume
21
Issue
1
Year of publication
2004
Pages
31 - 38
Database
ACNP
SICI code
Abstract
The concept of an RSset in a complex Banach space is introduced and the problem of best approximation from an RSset in a complex space is investigated. Results consisting of characterizations, uniqueness and strong uniqueness are established.