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  Volume 3, Issue 2, Article 24
 
Some Results Concerning Best Uniform Coapproximation

    Authors: Geetha S. Rao, R. Saravanan,  
    Keywords: Best approximation, Best coapproximation, Chebychev space, Cometric projection, Interpolation, Metric projection, Selection, Weak Chebychev space.  
    Date Received: 19/12/00  
    Date Accepted: 05/12/01  
    Subject Codes:

41A17,41A50,41A99

 
    Editors: Sever S. Dragomir,  
 
    Abstract:

This paper provides some conditions to obtain best uniform coapproximation. Some error estimates are determined. A relation between interpolation and best uniform coapproximation is exhibited. Continuity properties of selection for the metric projection and the cometric projection are studied.

         
       
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