Benedictus Margaux: Formal torsors under reductive group schemes

Submission: 2018, May 31, revised 2018, Nov 18

We consider the algebraization problem for torsors over a proper formal scheme under a reductive group scheme. Our results apply to the case of semisimple group schemes (which is addressed in detail).

2010 Mathematics Subject Classification: 14D15, 14L30.

Keywords and Phrases: Torsors, formal schemes, reductive group schemes, algebraization.

Full text: dvi.gz 19 k, dvi 41 k, ps.gz 852 k, pdf.gz 114 k, pdf 134 k.

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