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Angelo Vistoli: An arithmetic valuative criterion for properness for tame stacks, and applications

Tid: To 2021-10-14 kl 14.00 - 15.00

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

Föreläsare: Angelo Vistoli (Scuola Normale Superiore)

Abstract: I will report on joint work in progress with Giulio Bresciani. I will present a valuative criterion for properness for tame stacks (in the sense of Abramovich, Olsson and Vistoli); although the statement will be clear to the experts, some of its consequences seem to be new, and surprising.

Innehållsansvarig:webmaster@math.kth.se
Tillhör: Institutionen för matematik
Senast ändrad: 2021-10-10