@inproceedings{kefeng2000rigidity,
  title={Rigidity and Vanishing Theorems in K-Theory II},
  author={Kefeng Liu, Xiaonan Ma, and Weiping Zhang},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221111743223236696},
  booktitle={arXiv preprint math/0001014},
  year={2000},
}