Ningning Xia

According to our database, Ningning Xia authored at least 4 papers between 2022 and 2026.

Collaborative distances:

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2026

Limiting spectral distribution of high-dimensional integrated covariance matrices based on high-frequency data with multiple transactions.

Moming Wang, Ningning Xia, Yong Zhou

J. Multivar. Anal., 2026

2023

On the eigenvectors of large-dimensional sample spatial sign covariance matrices.

Yangchang Xu, Ningning Xia

J. Multivar. Anal., 2023

2022

Design-free estimation of integrated covariance matrices for high-frequency data.

Cheng Liu, Moming Wang, Ningning Xia

J. Multivar. Anal., 2022

Some aspects of response variable selection and estimation in multivariate linear regression.

Jianhua Hu, Xiaoqian Liu, Xu Liu, Ningning Xia

J. Multivar. Anal., 2022