Abstract
Li and Wang (Manuscr Math 122(1):73–95, 2007) presented Laguerre geometry for hypersurfaces in \({\mathbb{R}^{n}}\) and calculated the first variational formula of the Laguerre functional by using Laguerre invariants. In this paper we present the second variational formula for Laguerre minimal hypersurfaces. As an application of this variational formula we give the standard examples of Laguerre minimal hypersurfaces in \({\mathbb{R}^{n}}\) and show that they are stable Laguerre minimal hypersurfaces. Using this second variational formula we can prove that a surface with vanishing mean curvature in \({\mathbb{R}^{3}_{0}}\) is Laguerre equivalent to a stable Laguerre minimal surface in \({\mathbb{R}^{3}}\) under the Laguerre embedding. This example of stable Laguerre minimal surface in \({\mathbb{R}^{3}}\) is different from the one Palmer gave in (Rend Mat Appl 19(2):281–293, 1999).
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Song, Y. The Second Variational Formula for Laguerre Minimal Hypersurfaces in \({\mathbb {R}^n}\) . Results. Math. 63, 985–998 (2013). https://doi.org/10.1007/s00025-012-0249-7
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DOI: https://doi.org/10.1007/s00025-012-0249-7