Multiplier ideal sheaves and integral invariants on toric Fano manifolds

Details Multiplier ideal sheaves and integral invariants on toric Fano manifolds Multiplier ideal sheaves and integral invariants on toric Fano manifolds

2007-11-05

arxiv.org/abs/0711.0614v3

Mathematics

Differential Geometry

Corrections about two-point-blow-up case is made

Scientific paper

We extend Nadel's results on some conditions for the multiplier ideal sheaves to satisfy which are described in terms of an obstruction defined by the first author. Applying our extension we can determine the multiplier ideal sheaves on toric del Pezzo surfaces which do not admit K\"ahler-Einstein metrics. We also show that one can define multiplier ideal sheaves for K\"ahler-Ricci solitons and extend the result of Nadel using the holomorphic invariant defined by Tian and Zhu.

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