On boundedness and moduli spaces of K-stable Calabi-Yau fibrations over curves

Abstract

We show boundedness of polarized Calabi--Yau fibrations over curves only with fixed volumes of general fibers and Iitaka volumes. As its application, we construct a separated coarse moduli space of K-stable Calabi-Yau fibrations over curves in an adiabatic sense [Hat22b] and show that all members (resp. smooth members) of the moduli are simultaneously uniformly K-stable (resp. have cscK metrics) for a certain choice of polarizations.

arXiv comment66 pages, accepted version, to appear in Geom. and Topol

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