Bibliographical noteFunding Information:
Kyeongsu Choi has been supported by NSF Grant DMS-1811267 and KIAS Individual Grant MG078901. Robert Haslhofer has been supported by an NSERC Discovery Grant (RGPIN-2016-04331) and a Sloan Research Fellowship. Or Hershkovits has been supported by an AMS-Simons Travel Grant. We thank Brian White for sharing his knowledge and insights about the mean-curvature flow with us, as well as for many useful discussions regarding the problem.