Paper · Oct 26, 2016
Mixed volume preserving flow by powers of homogeneous curvature functions of degree one
As on arXiv
Abstract
This paper concerns the evolution of a closed hypersurface of dimension in the Euclidean space under a mixed volume preserving flow. The speed equals a power of homogeneous, either convex or concave, curvature functions of degree one plus a mixed volume preserving term, including the case of powers of the mean curvature and of the Gauss curvature. The main result is that if the initial hypersurface satisfies a suitable pinching condition, there exists a unique, smooth solution of the flow for all times, and the evolving hypersurfaces converge exponentially to a round sphere, enclosing the same mixed volume as the initial hypersurface. This result covers and generalises the previous results for convex hypersurfaces in the Euclidean space by McCoy and Cabezas-Rivas and Sinestrari to more general curvature flows for convex hypersurfaces with similar curvature pinching condition.
- Submitted
- Oct 26, 2016
- Subjects
- math.DG
Comments: 33pages. Comments are welcome. arXiv admin note: substantial text overlap with arXiv:1306.4539
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Read around it
Background reading
The guides for the topics of this paper: what each idea is, why it matters, and the papers to read first.
In the guidebook
- 6A.9Reaction–Diffusion: Fronts, Patterns and Pinching
Critical patch size, travelling fronts and their speeds, bistable waves and the Allen–Cahn equation, Turing patterns, and the curvature of a Ricci flow as a reaction–diffusion system.
- 11A.7Maximum Principles under Ricci Flow
Scalar and tensor maximum principles, and preserved curvature conditions.
- 11A.10Hamilton–Ivey Pinching
Why high curvature in dimension 3 is almost positive.