Preprint Version:

@article{qu2019analysis,
  title={Analysis of the Optimization Landscapes for Overcomplete Representation Learning},
  author={Qu, Qing and Zhai, Yuexiang and Li, Xiao and Zhang, Yuqian and Zhu, Zhihui},
  journal={arXiv preprint arXiv:1912.02427},
  year={2019}
}

Conference Version:

@inproceedings{qu2020geometric,
title={Geometric Analysis of Nonconvex Optimization Landscapes for Overcomplete Learning},
author={Qing Qu and Yuexiang Zhai and Xiao Li and Yuqian Zhang and Zhihui Zhu},
booktitle={International Conference on Learning Representations},
year={2020},
url={https://openreview.net/forum?id=rygixkHKDH}
}