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Good moduli spaces for boundary polarized Calabi-Yau surface pairs

Authors :
Blum, Harold
Liu, Yuchen
Publication Year :
2024

Abstract

We construct projective asymptotically good moduli spaces parametrizing boundary polarized CY surface pairs, which are projective slc Calabi-Yau pairs $(X,D)$ such that $D$ is ample and $X$ has dimension two. The moduli space provides a wall crossing between certain KSBA and K-moduli spaces and is the ample model of the Hodge line bundle. In the case of K3 surfaces with a non-symplectic automorphism, the moduli space gives a modular interpretation for the Baily--Borel compactification.<br />Comment: 57 pages, comments are very welcome

Details

Database :
arXiv
Publication Type :
Report
Accession number :
edsarx.2407.00850
Document Type :
Working Paper