Guanghan Li, Isabel Salavessa, Chuanxi Wu
Published 2005-10-21, updated 2009-05-07Version 2
We classify the self-similar solutions to a class of Weingarten curvature flow of connected compact convex hypersurfaces, isometrically immersed into space forms with non-positive curvature, and obtain a new characterization of a sphere in a Euclidean space $\R^{n+1}$.
Comments: 12 pages, Latex v2 is a largely extended new version
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