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Nobodies are perfect, semigroups are not.
May 3 at 14:30 – 15:30 CEST
TGiF-Seminar: Tropical geometry in Frankfurt (First meeting Summer Semester 2024)
Karin Schaller (FU Berlin)
Abstract: NObodies are asymptotic limits of certain valuation semigroups. Their construction depends on a given flag of subvarieties. We investigate toric surfaces together with non-toric flags and determine when the associated valuation semigroups are finitely generated. This is a joint work with K. Altmann, C. Haase, A. Küronya, and L. Walter.