Fiberwise Criteria for Twisted Forms of Algebraic Structures

par Arturo Pianzola (Edmonton, Université d'Alberta)

jeudi 28 sept. 2023, 11:15 → 12:15 Europe/Paris

112 (ICJ (Braconnier))

We provide a criterion for certain algebraic objects over Jacobson schemes to be forms of each other based on their behaviour at closed fibres. This criterion permits to answer a question that I. Burban had asked.