The Frobenius action on rank $2$ vector bundles over curves in small genus and small characteristic

Ducrohet, Laurent

Annales de l'Institut Fourier, Volume 59 (2009) p. 1641-1669

An analog of a theorem of Lange and Stuhler for principal bundles

Biswas, Indranil; Ducrohet, Laurent

Comptes Rendus. Mathématique, Volume 345 (2007) p. 495-497