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On extending Prüfer rings in central simple algebras

On extending Prüfer rings in central simple algebras We give an example of a commutative Prüfer domain R with field of fractions F and a quaternion division algebra D with centre F such that R cannot be extended to a Prüfer order in D in the sense of Alajbegović and Dubrovin, J. Algebra 135: 165–176, 1990. This shows, that a general extension theorem for Prüfer orders in central simple algebras does not exist and finally answers a question given in Marubayashi, Miyamoto, Ueda, Non-commutative Valuation Rings and Semihereditary Orders. K-Monographs in Mathematics 3, Kluwer, 1997. Moreover, in our example R is a Bézout domain which is the intersection of a countable number of (non-discrete) real valuation rings. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Forum Mathematicum de Gruyter

On extending Prüfer rings in central simple algebras

Forum Mathematicum , Volume 21 (1) – Jan 1, 2009

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References (16)

Publisher
de Gruyter
Copyright
© de Gruyter 2009
ISSN
0933-7741
eISSN
1435-5337
DOI
10.1515/FORUM.2009.007
Publisher site
See Article on Publisher Site

Abstract

We give an example of a commutative Prüfer domain R with field of fractions F and a quaternion division algebra D with centre F such that R cannot be extended to a Prüfer order in D in the sense of Alajbegović and Dubrovin, J. Algebra 135: 165–176, 1990. This shows, that a general extension theorem for Prüfer orders in central simple algebras does not exist and finally answers a question given in Marubayashi, Miyamoto, Ueda, Non-commutative Valuation Rings and Semihereditary Orders. K-Monographs in Mathematics 3, Kluwer, 1997. Moreover, in our example R is a Bézout domain which is the intersection of a countable number of (non-discrete) real valuation rings.

Journal

Forum Mathematicumde Gruyter

Published: Jan 1, 2009

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