A Remark on Chebyshev Centers
Received:January 21, 1999  
Key Words: dual mapping   Chebyshev radius   Chebyshev centre.  
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Author NameAffiliation
ZHAO Xiu-heng Hebei University of Economics & Trade
Shijiazhuang
China 
WANG Bao-ping Hebei Normal University
China 
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Abstract:
      In this paper we give a characteristic of simultaneous approximation in unit convex spaces ,and a result given by D. Amir & J. Mach in Hilbert spaces is extended.
Citation:
DOI:10.3770/j.issn:1000-341X.2002.01.026
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