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Lokal-Global-Prinzipien für die Brauergruppe

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Abstract

This article looks at Local-Global-Principles for the Brauer group, modeled after the celebrated theorem of Hasse-Brauer-Noether for the Brauer group of a number field. Pop introduced a property for fields, which holds especially for real closed andp-adically closed fields and yields a Local-Global-Principle for function fields of one variable over such fields. Then he used model theoretical means to generalize these results to arbitrary extensions of transcendental degree one over real closed andp-adically closed fields. This paper achieves this in a more elementary manner. Another result are examples of fields where the Local-Global-Principle is violated.

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Wiesend, G. Lokal-Global-Prinzipien für die Brauergruppe. Manuscripta Math 86, 455–466 (1995). https://doi.org/10.1007/BF02568005

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  • DOI: https://doi.org/10.1007/BF02568005

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