Let R be the pullback A x(C) B, where B --> C is a surjective homomorphism of commutative rings and A is a subring of C. It is shown that R and C are Hilbert rings if and only if A and B are Hilbert rings. Applications are given to the D + XE[X], D + M, and D + (X1,...,X(n))D(S)[X1,...,X(n)] constructions. For these constructions, new examples are given of Hilbert domains R which are unruly, in the sense that R is non-Noetherian and each of its maximal ideals is finitely generated. Related examples are also given.

Anderson, D.f., Dobbs, D.e., Fontana, M. (1992). HILBERT RINGS ARISING AS PULLBACKS. CANADIAN MATHEMATICAL BULLETIN, 35(4), 431-438 [10.4153/CMB-1992-057-4].

HILBERT RINGS ARISING AS PULLBACKS

FONTANA, Marco
1992-01-01

Abstract

Let R be the pullback A x(C) B, where B --> C is a surjective homomorphism of commutative rings and A is a subring of C. It is shown that R and C are Hilbert rings if and only if A and B are Hilbert rings. Applications are given to the D + XE[X], D + M, and D + (X1,...,X(n))D(S)[X1,...,X(n)] constructions. For these constructions, new examples are given of Hilbert domains R which are unruly, in the sense that R is non-Noetherian and each of its maximal ideals is finitely generated. Related examples are also given.
1992
Anderson, D.f., Dobbs, D.e., Fontana, M. (1992). HILBERT RINGS ARISING AS PULLBACKS. CANADIAN MATHEMATICAL BULLETIN, 35(4), 431-438 [10.4153/CMB-1992-057-4].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/117031
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