@article{kernelsmoothingmeanshiftandtheir,
  title = {Kernel Smoothing, Mean Shift, and Their Learning Theory with Directional Data},
  author = {Yikun Zhang and Yen-Chi Chen},
  year = {2020},
  eprint = {2010.13523},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2010.13523v2},
}