Coordinates in two variables over a ℚ-algebra

van den Essen, Arno; van Rossum, Peter

doi:10.1090/S0002-9947-04-03492-0

Coordinates in two variables over a $\mathbb {Q}$-algebra
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by Arno van den Essen and Peter van Rossum PDF

Trans. Amer. Math. Soc. 356 (2004), 1691-1703 Request permission

Abstract:

This paper studies coordinates in two variables over a $\mathbb {Q}$-algebra. It gives several ways to characterize such coordinates. Also, various results about coordinates in two variables that were previously only known for fields, are extended to arbitrary $\mathbb {Q}$-algebras.

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