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Translating solitons of the mean curvature flow asymptotic to hyperplanes in $\mathbb{R}^{n+1}$ (1802.08468v3)

Published 23 Feb 2018 in math.DG

Abstract: A translating soliton is a hypersurface $M$ in $\mathbb{R}{n+1}$ such that the family $M_t= M- t \,\mathbf{e}{n+1}$ is a mean curvature flow, i.e., such that normal component of the velocity at each point is equal to the mean curvature at that point $\mathbf{H}=\mathbf{e}{n+1}{\perp}.$ In this paper we obtain a characterization of hyperplanes which are parallel to $\mathbf{e}_{n+1}$ and the family of tilted grim reaper cylinders as the only translating solitons in $\mathbb{R}{n+1}$ which are $C1$-asymptotic to two half-hyperplanes outside a non-vertical cylinder. This result was proven for translators in $\mathbb{R}3$ by the second author, Perez-Garcia, Savas-Halilaj and Smoczyk under the additional hypotheses that the genus of the surface was locally bounded and the cylinder was perpendicular to the translating velocity.

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