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arxiv: 1105.4553 · v3 · pith:PLKYWYKMnew · submitted 2011-05-23 · 🧮 math.AG

Bounds on the denominators in the canonical bundle formula

classification 🧮 math.AG
keywords bundlecanonicaldenominatorsformulamoduliboundboundscurve
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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.

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