Minimality of geodesics in Grassmann manifolds
Authors: Horacio Porta and Lázaro Recht
Journal: Proc. Amer. Math. Soc. 100 (1987), 464-466
MSC: Primary 46L05; Secondary 58B20
MathSciNet review: 891146
Abstract: In the Grassmann manifold of an arbitrary -algebra, the geodesics of length less than are curves of minimal length.