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On the Product of Ideals

Published online by Cambridge University Press:  20 November 2018

David F. Anderson
Affiliation:
Department of Mathematics, University of TennesseeKnoxville, Tennessee 37996, U.S.A
David E. Dobbs
Affiliation:
Department of Mathematics, University of TennesseeKnoxville, Tennessee 37996, U.S.A
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Abstract

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This article introduces the concept of a condensed domain, that is, an integral domain R for which IJ = {ij: iI, jJ} for all ideals I and J of R. This concept is used to characterize Bézout domains (resp., principal ideal domains; resp., valuation domains) in suitably larger classes of integral domains. The main technical results state that a condensed domain has trivial Picard group and, if quasilocal, has depth at most 1. Special attention is paid to the Noetherian case and related examples.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1983

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