%0 Journal Article %A Masashi Mizuno %A Keisuke Takasao %T A curve shortening equation with time-dependent mobility related to grain boundary motions %J Interfaces and free boundaries %D 2021 %P 169-190 %V 23 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/453/ %R 10.4171/ifb/453 %F 10_4171_ifb_453