@article{zerothorderregularizedoptimizationzoro,
  title = {Zeroth-Order Regularized Optimization (ZORO): Approximately Sparse Gradients and Adaptive Sampling},
  author = {HanQin Cai and Daniel Mckenzie and Wotao Yin and Zhenliang Zhang},
  year = {2020},
  eprint = {2003.13001},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2003.13001v6},
}