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作者:

Wu, Cong (Wu, Cong.) | Zeng, Xiaochen (Zeng, Xiaochen.) | Mi, Na (Mi, Na.)

收录:

SCIE

摘要:

This paper considers multivariate deconvolution density estimations under the local Holder condition by wavelet methods. A pointwise lower bound of the deconvolution model is first investigated; then we provide a linear wavelet estimate to obtain the optimal convergence rate. The nonlinear wavelet estimator is introduced for adaptivity, which attains a nearly optimal rate (optimal up to a logarithmic factor). Because the nonlinear wavelet estimator depends on an upper bound of the smoothness index of unknown functions, we finally discuss a data-driven version without any assumption on the estimated functions.

关键词:

42C40 62G07 62G20 Data driven Deconvolution Density estimation Thresholding Wavelets

作者机构:

  • [ 1 ] [Wu, Cong]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Zeng, Xiaochen]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China
  • [ 3 ] [Mi, Na]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China
  • [ 4 ] [Wu, Cong]Hubei Univ Technol, Sch Sci, Wuhan 430068, Peoples R China

通讯作者信息:

  • [Zeng, Xiaochen]Beijing Univ Technol, Coll Math, Fac Sci, Beijing 100124, Peoples R China

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来源 :

ADVANCES IN COMPUTATIONAL MATHEMATICS

ISSN: 1019-7168

年份: 2021

期: 1

卷: 47

1 . 7 0 0

JCR@2022

ESI学科: MATHEMATICS;

ESI高被引阀值:5

被引次数:

WoS核心集被引频次: 2

SCOPUS被引频次: 2

ESI高被引论文在榜: 0 展开所有

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