Bounds on the denominators in the canonical bundle formula
Algebraic Geometry
2012-05-21 v3
Abstract
In this work we study the moduli part in the canonical bundle formula of an lc-trivial fibration whose generic fibre is a rational curve. In particular we find a bound for the denominators of the discriminant and the moduli divisor.
Keywords
Cite
@article{arxiv.1105.4553,
title = {Bounds on the denominators in the canonical bundle formula},
author = {Enrica Floris},
journal= {arXiv preprint arXiv:1105.4553},
year = {2012}
}
Comments
17 pages, the title has been slightly changed, the proofs of Theorem 1.6 and Theorem 3.2 have been simplified and corrected. To appear in "Annales de l'Institut Fourier"