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Smooth solutions to the Christoffel problem in $\mathbb{H}^{n+1}$

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arxiv 2406.09449 v1 pith:WC6YDJML submitted 2024-06-12 math.DG math.AP

classification math.DGmath.AP
keywords problemchristoffelspacehyperbolicnirenberg-kazdan-warnersolutionsalvez-miraconvex
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abstract

The famous Christoffel problem is possibly the oldest problem of prescribed curvatures for convex hypersurfaces in Euclidean space. Recently, this problem has been naturally formulated in the context of uniformly $h$-convex hypersurfaces in hyperbolic space by Espinar-G\'alvez-Mira. Surprisingly, Espinar-G\'alvez-Mira find that the Christoffel problem in hyperbolic space is essentially equivalent to the Nirenberg-Kazdan-Warner problem on prescribing scalar curvature on $\mathbb{S}^n$. This equivalence opens a new door to study the Nirenberg-Kazdan-Warner problem. In this paper, we establish a existence of solutions to the Christoffel problem in hyperbolic space by proving a full rank theorem. As a corollary, a existence of solutions to the Nirenberg-Kazdan-Warner problem follows.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The horospherical $p$-Christoffel-Minkowski and prescribed $p$-shifted Weingarten curvature problems in hyperbolic space

    math.DG 2024-11 conditional novelty 7.0 of 10

    Smooth even strictly horospherically convex solutions exist for the horospherical p-Christoffel-Minkowski problem and the new p-shifted Weingarten problem in hyperbolic space for p≥−n, under convexity bounds on f.

  2. The horospherical $p$-Christoffel-Minkowski problem in hyperbolic space

    math.AP 2024-11 conditional novelty 6.0 of 10

    For even prescribed functions satisfying explicit curvature conditions, the horospherical p-Christoffel-Minkowski equation σ_k(A[φ]) = φ^{p-k} f admits a smooth uniformly h-convex solution φ > 1 on S^n.

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