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This article is available for purchase or by subscription. See below.
Abstract
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We give sharp criteria for when a reductive group scheme satisfies Tannakian
reconstruction. When the base scheme is Noetherian, we explicitly identify its
Tannaka group scheme.
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Keywords
Tannakian formalism, reductive group schemes
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Mathematical Subject Classification
Primary: 14L15, 18M25
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Milestones
Received: 15 June 2022
Revised: 25 October 2022
Accepted: 31 October 2022
Published: 21 March 2023
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| © 2022 MSP (Mathematical Sciences
Publishers). |
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