Canonical bundle formula and base change

Mitsui, Kentaro

doi:10.1090/jag/663

Author: Kentaro Mitsui
Journal: J. Algebraic Geom. 25 (2016), 775-814
DOI: https://doi.org/10.1090/jag/663
Published electronically: June 13, 2016
MathSciNet review: 3533185
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Abstract | References | Additional Information

Abstract: We study invariants of an elliptic fibration over a complete discrete valuation ring with algebraically closed residue field. The invariants are given by the relative dualizing sheaf and the first direct image sheaf of the structure sheaf. In the studies of an elliptic surface over an algebraically closed field, the invariants appear as local invariants that determine important global invariants such as its plurigenera. We determine the invariants by investigating the change of the invariants by base change.

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Additional Information

Kentaro Mitsui
Affiliation: Department of Mathematics, Graduate School of Science, Kobe University, Hyogo 657-8501, Japan
Email: mitsui@math.kobe-u.ac.jp

Received by editor(s): July 30, 2013
Received by editor(s) in revised form: December 26, 2013, February 13, 2014, and April 15, 2014
Published electronically: June 13, 2016
Article copyright: © Copyright 2016 University Press, Inc.