Pluriclosed manifolds with constant holomorphic sectional curvature

DOI10.1007/S10114-022-1046-1arXiv2104.01319MaRDI QIDQ6364456

Publication date: 3 April 2021

Abstract: A long-standing conjecture in complex geometry says that a compact Hermitian manifold with constant holomorphic sectional curvature must be K"ahler when the constant is non-zero and must be Chern flat when the constant is zero. The conjecture is known in complex dimension

2

by the work of Balas-Gauduchon in 1985 (when the constant is zero or negative) and by Apostolov-Davidov-Muskarov in 1996 (when the constant is positive). For higher dimensions, the conjecture is still largely unknown. In this article, we restrict ourselves to pluriclosed manifolds, and confirm the conjecture for the special case of Strominger K"ahler-like manifolds, namely, for Hermitian manifolds whose Strominger connection (also known as Bismut connection) obeys all the K"ahler symmetries.

Mathematics Subject Classification ID

Global differential geometry of Hermitian and Kählerian manifolds (53C55) Connections (general theory) (53C05)

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