| 刘喜武,郭顺生,刘丽霞.Stancu-Sikkema算子的点态估计(英文)[J].数学研究及应用,2003,23(1):59~64 |
| Stancu-Sikkema算子的点态估计(英文) |
| The Pointwise Estimate for Stancu-Sikkema Operators |
| 投稿时间：2000-01-18 |
| DOI：10.3770/j.issn:1000-341X.2003.01.010 |
| 中文关键词: |
| 英文关键词:Stancu-Sikkema operators modulus of smoothness K-functional. |
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| 中文摘要: |
| 本文构造了Stancu—Sikkema算子,并利用点态光滑模研究了此算子的点态逼近正逆定理. |
| 英文摘要: |
| In this paper, we construct Stancu-Sikkema operators and obtain the point-wise direct and converse theorems in terms of pointwise modulus of smoothness. Some results about Bernstein-Sikkema operators and Stancu operators are extended. |
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