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- W4320341254 abstract "Let $K$ be a field, let $X$ be a connected smooth $K$-scheme and let $G,H$ be two smooth connected $K$-group schemes. Given $Y to X$ a $G$-torsor and $Z to Y$ an $H$-torsor, we study whether one can find an extension $E$ of $G$ by $H$ so that the composite $Z to X$ is an $E$-torsor. We give both positive and negative results, depending on the nature of the groups $G$ and $H$." @default.
- W4320341254 created "2023-02-13" @default.
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- W4320341254 date "2022-06-28" @default.
- W4320341254 modified "2023-09-24" @default.
- W4320341254 title "On composition of torsors" @default.
- W4320341254 doi "https://doi.org/10.48550/arxiv.2206.14119" @default.
- W4320341254 hasPublicationYear "2022" @default.
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