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Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 

 

Rotations and linkage of $ 2$-fold Pfister forms


Author: Robert W. Fitzgerald
Journal: Proc. Amer. Math. Soc. 89 (1983), 19-23
MSC: Primary 11E04; Secondary 15A63
DOI: https://doi.org/10.1090/S0002-9939-1983-0706502-2
MathSciNet review: 706502
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Abstract: We show that a pair of $ 2$-fold Pfister forms admit rotations with the same irreducible, separable characteristic polynomial if and only if they are linked.


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DOI: https://doi.org/10.1090/S0002-9939-1983-0706502-2
Article copyright: © Copyright 1983 American Mathematical Society