@inproceedings{edgar2013regularity, title={Regularity properties of high-dimensional covariate matrices}, author={Edgar Dobriban, and Jianqing Fan}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221114349644890988}, booktitle={arXiv preprint arXiv:1305.5198}, year={2013}, }