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检索条件"主题词=Average Width"
5 条 记 录,以下是1-10 订阅
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N-widths and average widths of Besov Classes in Sobolev Spaces
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Acta Mathematica Sinica,English Series 2006年 第6期22卷 1667-1678页
作者: Gui Qiao XU Yong Sheng SUN Yong Ping LIU School of Mathematical Sciences Beijing Normal University Beijing 100875 P. R. China School of Mathematical Sciences Tianjin Normal University Tianjin 300074 P. R. China
In this paper, we consider the n-widths and average widths of Besov classes in the usual Sobolev spaces. The weak asymptotic results concerning the Kolmogorov n-widths, the linear n-widths, the Gel'fand n-widths, in ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
widthS AND average widthS OF SOBOLEV CLASSES
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Acta Mathematica Scientia 2003年 第2期23卷 178-184页
作者: 刘永平 许贵桥 Department of Mathematics Beijing Normal University
This paper concerns the problem of the Kolmogorov n-width, the linear re-width, the Gel'fand n-width and the Bernstein re-width of Sobolev classes of the periodic multivariate functions in the space Lp(Td) and the ave... 详细信息
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The average widths of Sobolev-Wiener Classes and Besov-Wiener Classes
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Acta Mathematica Sinica,English Series 2004年 第1期20卷 81-92页
作者: GuiQiaoXU YongPingLIU DepartmentofMathematics BeijingNormalUniversityBeijing100875P.R.China
This paper concerns the problem of average σ-width of Sobolev–Wiener classes , and Besov-Wiener classes in the metric L q (R d ) for 1 ≤ q ≤ p ≤ ∞. The weak asymptotic results concerning the average linear wid... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
The average widths and Non-linear widths of the Classes of Multivariate Functions with Bounded Moduli of Smoothness
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Acta Mathematicae Applicatae Sinica 2002年 第4期18卷 663-674页
作者: Yong-ping Liu, Gui-qiao XuDepartment of Mathematics, Beijing Normal University, Beijing 100875, China Department of Mathematics, Tianjin Normal Univesity, Tianjin 300074. China Department of Mathematics Beijing Normal University Beijing China Department of Mathematics Tianjin Normal Univesity Tianjin China
The classes of the multivariate functions with bounded moduli on Rd and Td are given and their average σ-widths and non-linear n-widths are discussed. The weak asymptotic behaviors are established for the correspondi... 详细信息
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average widths and Optimal Recovery of Multivariate Besov Class Bpθr(Rd)in Lqp(Rd)
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Communications in Mathematical Research 1998年 第2期 1-4页
作者: 蒋艳杰,孙永生
AverageWidthsandOptimalRecoveryofMultivariateBesovClasBrpθ(Rd)inLqp(Rd)*)JiangYanjie(蒋艳杰)(DepartmentofMathem... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论