Speaker: Heer Zhao（Harbin Institute of Technology）
Time: May 29, 2024, 10:30-11:30
Location: M1001, College of Science Building
Abstract
Let X be a regular scheme, D a normal crossing divisor on X, and U the complement of D. We endow X with the canonical log structure associated to D. Let G be a finite flat group scheme (not commutative in general) over X. We discuss the relations among tame G-covers of X relative to D, fppf G-torsors over U, and Kummer log flat G-torsors over X. Joint work with J. Gillibert.
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