Moduli of low degree del Pezzo surfaces and stratifications * POSTPONED * (25 February 2020)

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Moduli of low degree del Pezzo surfaces and stratifications * POSTPONED *

Starts 25 Feb 2020 16:00

Ends 25 Feb 2020 17:00

Central European Time

ICTP

Leonardo Building - Luigi Stasi Seminar Room

Note: ICTP has suspended all educational activities for the week of 24 February as a health precaution; more details at
https://www.ictp.it/about-ictp/media-centre/news/2020/2/ictp_suspend_activities.aspx

Abstract: In this talk we discuss new constructions via non-reductive GIT of del Pezzo surfaces of degree 1 and 2 coming from the description as surfaces in weighted projective 3-folds. For degrees 1, 2 and 3 we discuss stratifications coming from GIT and compare these with geometric stratifications given by singularity type.