%0 Journal Article
%A García-Pacheco, F.J.
%A Seoane Sepúlveda, Juan Benigno
%T The stereographic projection in banach spaces
%D 2007
%@ 0035-7596
%U https://hdl.handle.net/20.500.14352/50491
%X We give a new and direct proof of the fact that, in any infinite dimensional Banach space, the unit sphere minus any one point is homeomorphic to a closed hyperplane. The proof involves L-structures and geometric concepts as, for instance, rotund, smooth and exposed points.
%~