Weighted approximation of continuous functions by sequences of linear positive operators

被引：0
作者：
Tülin Coşkun
机构：
[1] Karaelmas University,Department of Mathematics
来源：
Proceedings of the Indian Academy of Sciences - Mathematical Sciences | 2000年 / 110卷
关键词：
Korovkin theorem; positive linear operators; weighted spaces; weight functions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this work we obtain, under suitable conditions, theorems of Korovkin type for spaces with different weight, composed of continuous functions defined on unbounded regions. These results can be seen as an extension of theorems by Gadjiev in [4] and [5].
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页码：357 / 362
页数：5
相关论文
共 3 条
[1]  
Coşkun T(1998)Some properties of linear positive operators on the spaces of weight functions Commun. Fac. Sci. Univ. Ank. Series. A1 47 175-181
[2]  
Gadjiev A D(1974)The convergence problem for a sequence of positive linear operators on unbounded sets and theorems analogous to that of P P Korovkin. English translated Sov. Math. Dokl. 15 5-5
[3]  
Gadjiev A D(1976)On P P Korovkin type theorems Mathem. Zametki 20 5-5
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