2 papers
stat.ME2025
Tensor Elliptical Graphic Model
Jixuan Liu, Zhengke Lu, Le Zhou +2
We address the problem of robust estimation of sparse high dimensional tensor elliptical graphical model. Most of the research focus on tensor graphical model under normality. To e…
stat.ME2025
Robust Sparse Precision Matrix Estimation and its Application
Zhengke Lu, Long Feng
We address the problem of robust sparse estimation of the precision matrix for heavy-tailed distributions in high-dimensional settings. In such high-dimensional contexts, we observ…