Abstract

Abstract We study complete noncompact 1-minimal stable hypersurfaces M in Sn+1. We obtain that there is no stable complete noncompact 1-minimal hypersurface in S4 with nonzero Gauss-Kronecker curvature and _nite total curvature. We show that there is no stable complete noncompact 1-minimal hypersurface in S4 with polynomial volume growth, nonzero Gauss-Kronecker curvature and supM H2 < 5/2. At last, we discuss stable complete noncompact hypersurfaces M with constant scalar curvature R > 1 in Sn+1 and show another nonexistence result. These results are generalised versions of results of Alencar, Santos, Zhou and Silva Neto on stable hypersurfaces in Rn+1 with constant scalar curvature.

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