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Originalpublikation
Bitan, R.A.; Köhl, R.; Schoemann, C.: The twisted forms of a semisimple group over an fq-curve. In: Journal de Théorie des Nombres de Bordeaux 33 (2021), Nr. 1, S. 17-38. DOI: https://doi.org/10.5802/jtnb.1150
Let C be a smooth, projective and geometrically connected curve defined over a finite field Fq . Given a semisimple C −S-group scheme G where S is a finite set of closed points of C, we describe the set of (OS-classes of) twisted forms of G in terms of geometric invariants of its fundamental group F (G).