@article{JMLR:v22:19-026,
  author  = {Shenglong Zhou and Naihua Xiu and Hou-Duo Qi},
  title   = {Global and Quadratic Convergence of Newton Hard-Thresholding Pursuit},
  journal = {Journal of Machine Learning Research},
  year    = {2021},
  volume  = {22},
  number  = {12},
  pages   = {1--45},
  url     = {http://jmlr.org/papers/v22/19-026.html}
}