BEST_APPROXIMATION

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相关作者：戴华何金苏许贵桥杜英芳南朝勋更多>>
相关机构：南京航空航天大学东南大学安徽师范大学天津师范大学更多>>
相关期刊：《Applied Mathematics》《Communications in Mathematical Research》《Acta Mathematica Sinica,English Series》《The Journal of China Universities of Posts and Telecommunications》更多>>
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ON M-IDEALS AND BEST APPROXIMATION
《Acta Mathematicae Applicatae Sinica》1994年第2期213-219,共7页韩德广 
In this paper we will prove some theorems on the M-ideals of compact operators and the best approximation of quasitriangular operator algebras. These results improve and extend the known results in [4, 5, 7].
关键词：M-IDEAL best approximation compact operator. 
STRONG UNIQUENESS OF GENERALIZED P0LYNOMIAL OF BEST APPROXIMATION HAVING BOUNDED COEFFICIENTS
《Acta Mathematicae Applicatae Sinica》1991年第1期17-33,共17页XU SHUSHENG 
Let the set of generalized polynomials haviug bounded coefficients be K={p=■a_(j)g_(j):α_(j)■[α_(j),β_(j)],j=1,2,…,n}where g_1,g_2,…,g_n are linearly independent continuous functions defined on the interval[a,...
CHARACTERIZATION THEOREM OF GENERALIZED POLYNOMIAL OF BEST APPROXIMATION HAVING BOUNDED COEFFICIENTS
《Acta Mathematicae Applicatae Sinica》1989年第4期361-366,共6页许树声 
Let the set of generalized polynomials having bounded coeffiicients be K={p=sum from j=1 to n α_j g_j α_j≤α_j≤β,j=1, 2,…, n}, where g_1, g_2,…, g_n are linearly independent continuous functions defined on thei...
关键词：CHARACTERIZATION THEOREM OF GENERALIZED POLYNOMIAL OF BEST APPROXIMATION HAVING BOUNDED COEFFICIENTS 
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