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arXiv 2111.03334math.AG
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Estimates for zero loci of Bernstein-Sato ideals

Nero Budur, Robin van der Veer, Alexander Van Werde

英文摘要:

We give estimates for the zero loci of Bernstein-Sato ideals. An upper bound is proved as a multivariate generalisation of the upper bound by Lichtin for the roots of Bernstein-Sato polynomials. The lower bounds generalise the fact that log-canonical thresholds, small jumping numbers of multiplier ideals, and their real versions provide roots of Bernstein-Sato polynomials.

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