Xiaohui Chen

20092019
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High-dimensional Mathematics
Covariance matrix Mathematics
Asymptotic analysis Engineering & Materials Science
Lasso Mathematics
Bootstrap Mathematics
Brain Engineering & Materials Science
U-processes Mathematics
Jackknife Mathematics

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Research Output 2009 2019

  • 14 Article
  • 4 Conference contribution
  • 1 Conference article

Estimation of Dynamic Networks for High-Dimensional Nonstationary Time Series

Xu, M., Chen, X. & Wu, W. B., Dec 31 2019, In : Entropy. 22, 1, 55.

Research output: Contribution to journalArticle

Open Access
estimating
matrices
estimators
moments
scaling
U-processes
Jackknife
Supremum
Bootstrap
Multiplier

Gaussian and bootstrap approximations for high-dimensional U-statistics and their applications1

Chen, X., Apr 2018, In : Annals of Statistics. 46, 2, p. 642-678 37 p.

Research output: Contribution to journalArticle

U-statistics
Bootstrap
High-dimensional
Covariance matrix
Approximation

Inference of high-dimensional linear models with time-varying coefficients

Chen, X. & He, Y., Jan 2018, In : Statistica Sinica. 28, 1, p. 255-276 22 p.

Research output: Contribution to journalArticle

Time-varying Coefficients
Linear Model
High-dimensional
Null Distribution
Nonparametric Smoothing

Sparse transition matrix estimation for high-dimensional and locally stationary vector autoregressive models

Ding, X., Qiu, Z. & Chen, X., Jan 1 2017, In : Electronic Journal of Statistics. 11, 2, p. 3871-3902 32 p.

Research output: Contribution to journalArticle

Vector Autoregressive Model
Transition Matrix
Sparse matrix
High-dimensional
Locally Stationary Processes