On boundedness and moduli spaces of K-stableCalabi–Yau fibrations over curves

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 (Hattori 2022) 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.

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Publication Details

Journal
Geometry & Topology
Published
2025-05-31
DOI
https://doi.org/10.2140/gt.2025.29.1619
Primary Topic
Geometry and complex manifolds
Type
article
Field-Weighted Citation Impact
0.00

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article

On boundedness and moduli spaces of K-stableCalabi–Yau fibrations over curves

Kenta Hashizume, Masafumi Hattori
Geometry & Topology
Geometry and complex manifolds
article

On boundedness and moduli spaces of K-stableCalabi–Yau fibrations over curves

Kenta Hashizume, Masafumi Hattori
article en

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 (Hattori 2022) 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.

Geometry & TopologyVol. 29(3)
Kyoto University (JP), Niigata University (JP)
Japan Society for the Promotion of Science
Openalex Percentile: Top 82%
Geometry and complex manifolds
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On boundedness and moduli spaces of K-stableCalabi–Yau fibrations over curves — Kenta Hashizume, Masafumi Hattori · Geometry & Topology (2025) | TGRS Research Map | TGRS