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Welcome!
Welcome!
This is the information page for the upcoming seminar series with the algebraic geometry groups of Sandra di Rocco and Kathlén Kohn at KTH.
Practical information
Practical information
Meetings at Monday 11.30 in the big lunchroom
Talks
Talks
September 6th 2020
September 6th 2020
Title: Mustafin varieties and moduli of points in the projective plane, II
Title: Mustafin varieties and moduli of points in the projective plane, II
Speaker: Luca Schaffler
Speaker: Luca Schaffler
Abstract:
This talk will be a continuation of last week's seminar. We will compute explicit examples of n-pointed degenerations of the projective plane arising from Mustafin varieties. After this, we will discuss more in detail how these can be used to compactify the moduli space of n points in the projective plane, which we briefly touched upon last week. The original results are joint work with Jenia Tevelev.Abstract:
August 31st 2020
August 31st 2020
Title: Mustafin varieties and moduli of points in the projective plane
Title: Mustafin varieties and moduli of points in the projective plane
Speaker: Luca Schaffler
Speaker: Luca Schaffler
Abstract:
Abstract:
In this talk we will introduce Mustafin varieties, which are specific combinatorial 1-parameter degenerations of projective space. In some cases, we can endow them with n sections, giving rise to n-pointed degenerations of projective space. These can be used to construct a geometric compactification of the moduli space of n points in the projective plane, whose study was initiated by Gerritzen and Piwek. We will discuss our contributions in this direction. This is joint work with Jenia Tevelev.
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