本刊英文版Vol.36(2020),No.6论文摘要（英文）

来源：数学学报(中文版), 2020, 63(04): 420-422.

<正>Moduli of Polarized Calabi-Yau Pairs Janos KOLLAR Chen Yang XU Abstract We prove that the irreducible components of the moduli space of polarized CalabiYau pairs are projective.Projectively Flat Singular Square Metrics with Constant Flag Curvature Guang Zu CHEN Xin Yue CHENG Abstract In this paper,we study and characterize locally projectively flat singular square