SOME RESULTS ON BEST APPROXIMATION IN SPACES WITH CONVEX STRUCTURE  

作　　者：T. D. Narang 

机构地区：[1]Guru Nanak Dev University, India

出　　处：《Analysis in Theory and Applications》2008年第1期67-73,共7页分析理论与应用（英文刊）

基　　金：This research is partially supported by University Grants Commission, India (F30-238/2004(SR)).

摘　　要：Some generalizations of the result proved by S.P. Singh [J. Approx. Theory 25（1979）, 89-90] are presented in convex metric spaces. The results proved contain several known results on the subject.Some generalizations of the result proved by S.P. Singh [J. Approx. Theory 25（1979）, 89-90] are presented in convex metric spaces. The results proved contain several known results on the subject.

关 键 词：convex metric space convex set starshaped set non-expansive map affinemap 

分 类 号：O174.41[理学—数学]