@article{ahomotopycoordinatedescentoptimization,
  title = {A Homotopy Coordinate Descent Optimization Method for $l_0$-Norm Regularized Least Square Problem},
  author = {Zhenzhen Sun and Yuanlong Yu},
  year = {2020},
  eprint = {2011.06841},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.06841v1},
}