@article{thebackbonemethodforultrahigh,
  title = {The Backbone Method for Ultra-High Dimensional Sparse Machine Learning},
  author = {Dimitris Bertsimas and Vassilis Digalakis Jr},
  year = {2020},
  eprint = {2006.06592},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.06592v3},
}