@inproceedings{ontheoptimalweightedell2regularization,
  title = {On the Optimal Weighted $\ell_2$ Regularization in Overparameterized Linear Regression},
  author = {Denny Wu and Ji Xu},
  year = {2020},
  booktitle = {NeurIPS 2020 12},
  eprint = {2006.05800},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.05800v4},
}