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arxiv: 1311.3721 · v1 · pith:JCYXVQEUnew · submitted 2013-11-15 · 🧮 math.DG

Gradient estimates and lower bound for the blow-up time of star-shaped mean curvature flow

classification 🧮 math.DG
keywords timeboundcurvatureflowgivegradientlowermean
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In this paper we consider a star-shaped hypersurface flow by mean curvature. Without any assumption on the convexity, we give a new proof of gradient estimate for a short time. As an application, we also give a lower bound for the blowing up time.

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