We use a weak mean curvature flow together with a surgery procedure to show that all closed hypersurfaces in with entropy less than or equal to that of , the round cylinder in , are diffeomorphic to .
"Topology of closed hypersurfaces of small entropy." Geom. Topol. 22 (2) 1109 - 1141, 2018. https://doi.org/10.2140/gt.2018.22.1109