Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4617646 | Journal of Mathematical Analysis and Applications | 2012 | 8 Pages |
Abstract
In this paper, we establish a new curvature condition preserved by the Ricci flow, which is named as 2-parameters nonnegative curvature condition. It relies on the first, second and third eigenvalues of the Riemannian curvature operator. Based on this, we prove the strong maximum principle for the 2-parameters nonnegativity along Ricci flow.
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