@inproceedings{meng2018modified,
title={Modified Virtual Grid Difference for Discretizing the Laplace--Beltrami Operator on Point Clouds},
author={Meng Wang, Shing-Yu Leung, and Hongkai Zhao},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221112842777938752},
booktitle={SIAM Journal on Scientific Computing},
volume={40},
number={1},
pages={A1-A21},
year={2018},
}
Meng Wang, Shing-Yu Leung, and Hongkai Zhao. Modified Virtual Grid Difference for Discretizing the Laplace--Beltrami Operator on Point Clouds. 2018. Vol. 40. In SIAM Journal on Scientific Computing. pp.A1-A21. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221112842777938752.