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Hypersurfaces with constant curvature quotients in warped product manifolds (1312.3584v1)

Published 12 Dec 2013 in math.DG

Abstract: In this paper, we study rigidity problems for hypersurfaces with constant curvature quotients $\frac{\mathcal{H}{2k+1}}{\mathcal{H}{2k}}$ in the warped product manifolds. Here $\mathcal{H}{2k}$ is the $k$-th Gauss-Bonnet curvature and $\mathcal{H}{2k+1}$ arises from the first variation of the total integration of $\mathcal{H}{2k}$. Hence the quotients considered here are in general different from $\frac{\sigma{2k+1}}{\sigma_{2k}}$, where $\sigma_k$ are the usual mean curvatures. We prove several rigidity and Bernstein type results for compact or non-compact hypersurfaces corresponding to such quotients.

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