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Non-torsion Brauer groups in positive characteristic
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Paper
Non-torsion Brauer groups in positive characteristic
2022
Overview
Unlike the classical Brauer group of a field, the Brauer-Grothendieck group of a singular scheme need not be torsion. We show that there exist integral normal projective surfaces over a large field of positive characteristic with non-torsion Brauer group. In contrast, we demonstrate that such examples cannot exist over the algebraic closure of a finite field.
Publisher
Cornell University Library, arXiv.org
Subject
