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arxiv: 1708.09583 · v2 · submitted 2017-08-31 · 🧮 math.DG · math.AP

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Quermassintegral preserving curvature flow in Hyperbolic space

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classification 🧮 math.DG math.AP
keywords flowemphh-convexhyperbolicpositivepreservingquermassintegralsmooth
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We consider the quermassintegral preserving flow of closed \emph{h-convex} hypersurfaces in hyperbolic space with the speed given by any positive power of a smooth symmetric, strictly increasing, and homogeneous of degree one function $f$ of the principal curvatures which is inverse concave and has dual $f_*$ approaching zero on the boundary of the positive cone. We prove that if the initial hypersurface is \emph{h-convex}, then the solution of the flow becomes strictly \emph{h-convex} for $t>0$, the flow exists for all time and converges to a geodesic sphere exponentially in the smooth topology.

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