17 citations · 18 across the 3 of their papers we have counts for
3 papers
stat.ME2026
Testing for functional white noise in high dimensions
Jinyuan Chang, Qing Jiang, Xinghao Qiao +1
White noise testing is a fundamental problem in time series analysis. Yet it remains largely unsolved for high-dimensional functional time series, despite the growing attention thi…
math.ST2022★ 1 cited
Statistical inference for high-dimensional spectral density matrix
Jinyuan Chang, Qing Jiang, Tucker S. McElroy +1
The spectral density matrix is a fundamental object of interest in time series analysis, and it encodes both contemporary and dynamic linear relationships between component process…
econ.EM2022★ 17 cited
Testing the martingale difference hypothesis in high dimension
Jinyuan Chang, Qing Jiang, Xiaofeng Shao
In this paper, we consider testing the martingale difference hypothesis for high-dimensional time series. Our test is built on the sum of squares of the element-wise max-norm of th…