Geodesic
On Deformations of 1-motives
Canadian mathematical bulletin, Tome 62 (2019) no. 1, pp. 11-22

Voir la notice de l'article provenant de la source Cambridge University Press

According to a well-known theorem of Serre and Tate, the infinitesimal deformation theory of an abelian variety in positive characteristic is equivalent to the infinitesimal deformation theory of its Barsotti–Tate group. We extend this result to 1-motives.
DOI : 10.4153/CMB-2017-076-2
Mots-clés : 1-motive, Barsotti-Tate group 
Bertapelle, A.; Mazzari, N. On Deformations of 1-motives. Canadian mathematical bulletin, Tome 62 (2019) no. 1, pp. 11-22. doi: 10.4153/CMB-2017-076-2
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