Mathematische Annalen · 2013 · 83 citations · 23 references
Natural SciencesPhysicsGeometryCurved SpacetimeDifferential GeometryEuclidean GeometryMetric GeometryRiemannian GeometrySpacetime GeometryCurvature Bounded AbovePoincaré InequalitiesRicci CurvatureRicci TensorRiemannian Metric
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Hypoelliptic second order differential equations
Lars Hörmander · Acta Mathematica · 1967 · 2.4K citations · Full text
Ricci curvature for metric-measure spaces via optimal transport
John Lott, Cédric Villani · Annals of Mathematics · 2009 · 1.3K citations · Full text
On the geometry of metric measure spaces. II
Karl‐Theodor Sturm · Acta Mathematica · 2006 · 1.3K citations · Full text