Let Mⁿ be a compact Landsberg hypersurface of a Minkowski space with constant mean curvature H. Using the Gauss formula for the Chern connection of Finsler submanifolds, we prove that if M is convex, then M is Riemannian with constant curvature.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ap104-2-3, author = {Jin Tang Li}, title = {The rigidity theorem for Landsberg hypersurfaces of a Minkowski space}, journal = {Annales Polonici Mathematici}, volume = {105}, year = {2012}, pages = {153-160}, zbl = {1253.53059}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap104-2-3} }
Jin Tang Li. The rigidity theorem for Landsberg hypersurfaces of a Minkowski space. Annales Polonici Mathematici, Tome 105 (2012) pp. 153-160. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap104-2-3/