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Diameter rigidity for Kähler manifolds with positive bisectional curvature

Gang Liu, Yuan Yuan

Abstract: Let Mn be a compact Kähler manifold with bisectional curvature bounded from below by 1. If diam(M)=π/2 and vol(M)>vol(CPn)/2n, we prove that M is biholomorphically isometric to CPn with the standard Fubini-Study metric.

Journal: Mathematische Zeitschrift (2018)

DOI: https://doi.org/10.1007/s00209-018-2052-y