Arithmetic surfaces and adelic quotient groups

D. V. Osipov

Izvestiya. Mathematics , Tome 82 (2018) no. 4, pp. 817-836.

Résumé

We explicitly calculate an arithmetic adelic quotient group for a locally free sheaf on an arithmetic surface when the fibre over the infinite point of the base is taken into account. The result is stated in the form of a short exact sequence. We relate the last term of this sequence to the projective limit of groups which are finite direct products of copies of the one-dimensional real torus and are connected with the first cohomology groups of locally free sheaves on the arithmetic surface.

Détail

Keywords: arithmetic surface, Parshin–Beilinson adeles, arithmetic adeles.

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