Communications in Analysis and Geometry · 1999 · 146 citations · 7 references
Natural SciencesGeologyFlow VisualizationFluid DynamicsTopologyInvariant ManifoldsSymplectic GeometryRicci Flow
Definition 1.2. We say a solution to the normalized Ricci flow collapses if
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Three-manifolds with positive Ricci curvature
Richard S. Hamilton · Journal of Differential Geometry · 1982 · 3K citations · Full text
Four-manifolds with positive curvature operator
Richard S. Hamilton · Journal of Differential Geometry · 1986 · 808 citations · Full text