We give a detailed account of the proof of a purity theorem for finite flat torsors due to Laurent Moret-Bailly. In addition, we show that a part of this result, namely the full faithfulness, holds also under weaker assumptions.
On the restriction of finite torsors
Marrama, Andrea
2026
Abstract
We give a detailed account of the proof of a purity theorem for finite flat torsors due to Laurent Moret-Bailly. In addition, we show that a part of this result, namely the full faithfulness, holds also under weaker assumptions.
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