Flow by powers of the Gauss curvature in space forms
ADVANCES IN MATHEMATICS(2024)
摘要
In this paper, we prove that convex hypersurfaces under the flow by powers alpha > 0 of the Gauss curvature in space forms Nn+1 (K) of constant sectional curvature K (K = +/- 1) contract to a point in finite time T & lowast;. Moreover, convex hypersurfaces under the flow by power alpha > 1/n+2 curvature converge (after rescaling) to a limit which is the geodesic sphere in Nn+1 (K). This extends the known results in Euclidean space to space forms. (c) 2024 Elsevier Inc. All rights reserved.
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关键词
Entropy,Gauss curvature,Monotonicity,Regularity estimates,Space forms
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