Sparse expanders have negative curvature
Justin Salez
Topics & Concepts
MathematicsCurvatureConjectureRicci curvatureBounded functionEigenvalues and eigenvectorsConvergence (economics)Pure mathematicsCombinatoricsMathematical analysisGeometryPhysicsEconomic growthQuantum mechanicsEconomicsGeometric Analysis and Curvature FlowsGeometry and complex manifoldsPoint processes and geometric inequalities