Adjoint dimension of foliations

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• Roberto Svaldi (Cambridge)
• Monday 23 November 2015, 15:00-16:00
• CMS MR4.

If you have a question about this talk, please contact Caucher Birkar.

The classification of foliated surfaces by Brunella, McQuillan and Mendes carries many similarities with Enriques-Kodaira classification of surfaces but also many important differences. I will discuss an alternative classification scheme where the role of differential forms along the leaves is replaced by differential forms along the leaves with values in fractional powers of the conormal bundle of the foliation. In this alternative setup one obtains a classification of foliated surfaces closer to the usual Enriques-Kodaira classification. If time permits, I will show how to apply this alternative classification to describe the Zariski closure of the set foliations which admit rational first integral of bounded genus in families of foliated surfaces. Joint work with Jorge Vitorio Pereira.

This talk is part of the Algebraic Geometry Seminar series.

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