@article{quantumalgorithmforfindingthenegative1,
  title = {Quantum algorithm for finding the negative curvature direction},
  author = {Kaining Zhang and Min-Hsiu Hsieh and Liu Liu and DaCheng Tao},
  year = {2019},
  url = {https://openreview.net/forum?id=r1xpF0VYDS},
}