%0 Journal Article %A Scott Mullane %T $k$-differentials on curves and rigid cycles in moduli space %J Documenta mathematica %D 2021 %P 1817-1850 %V 26 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/857/ %R 10.4171/dm/857 %F 10_4171_dm_857