On the Principal Curvatures of Complete Minimal Hypersurfaces in Space Forms

In recent decades, there has been an increase in the number of publications related to the hypersurfaces of real space forms with two principal curvatures. The works focus mainly on the case when one of the two principal curvatures is simple. The purpose of this paper is to study a slightly more gen...

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Published in:Resultate der Mathematik 2021-03, Vol.76 (1), Article 5
Main Authors: Chaves, Rosa M. B., Sousa, L. A. M., Valério, B. C.
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Mathematics and Statistics
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description In recent decades, there has been an increase in the number of publications related to the hypersurfaces of real space forms with two principal curvatures. The works focus mainly on the case when one of the two principal curvatures is simple. The purpose of this paper is to study a slightly more general class of complete minimal hypersurfaces in real space forms of constant curvature c , namely those with n - 1 principal curvatures having the same sign everywhere. From assumptions on the scalar curvature R and the Gauss–Kronecker curvature K we characterize Clifford tori if c > 0 and prove that K is identically zero if c ≤ 0 .
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title On the Principal Curvatures of Complete Minimal Hypersurfaces in Space Forms
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