@article {1910.08059, archivePrefix = {arXiv}, eprint = {1910.08059}, primaryClass = {math.DG}, author = {Hongbing Qiu and Linlin Sun}, title = {Rigidity theorems of spacelike self-shrinkers in the pseudo-Euclidean space}, year = {2019}, url = {http://arxiv.org/abs/1910.08059} }