期刊文献+
共找到3篇文章
< 1 >
每页显示 20 50 100
The Problem of Timan on the Precise Order of the Best Approximations of Multivariate Functions
1
作者 康淑瑰 刘永平 《Journal of Mathematical Research and Exposition》 CSCD 北大核心 2001年第2期177-184,共8页
The problem of Timan on finding a necessary and sufficient condition for is solved. The condition is that
关键词 modulus of continuity best appraximation entire function of exponential sphesrical type σ.
下载PDF
Reconstruction of Non-Bandlimited Functions by Multidimensional Sampling Theorem of Hermite Type
2
作者 LI Yue WU FENG Guo 《Journal of Mathematical Research and Exposition》 CSCD 2009年第2期349-354,共6页
In this paper, we prove that under some restricted conditions, the non-bandiimited functions can be reconstructed by the multidimensional sampling theorem of Hermite type in the space of Lp(R^n), 1 〈 p 〈 ∞.
关键词 multidimensional sampling theorem non-bandlimited functions Hermite cardinal series entire functions of exponential type.
下载PDF
Multivariate irregular sampling theorem 被引量:1
3
作者 CHEN GuangGui FANG GenSun 《Science China Mathematics》 SCIE 2009年第11期2469-2478,共10页
In this paper,we prove a Marcinkiewicz-Zygmund type inequality for multivariate entire functions of exponential type with non-equidistant spaced sampling points. And from this result,we establish a multivariate irregu... In this paper,we prove a Marcinkiewicz-Zygmund type inequality for multivariate entire functions of exponential type with non-equidistant spaced sampling points. And from this result,we establish a multivariate irregular Whittaker-Kotelnikov-Shannon type sampling theorem. 展开更多
关键词 Marcinkiewicz-Zygmund type inequality multivariate irregular sampling theorem entire function of exponential type 94A20 94A12 41A35 41A80
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部