Abstract
This article presents a characterization of conducive (integral) domains as the pullbacks in certain types of Cartesian squares in the category of commutative rings. Such squares behave well with respect to (semi)normalization, thus permitting us to recover the recent characterization by Dobbs-Fedder of seminormal conducive domains. The conducive domains satisfying various finiteness conditions (Noetherian, Archimedean, accp) are characterized by identifying suitable restrictions on the data in the corresponding Cartesian squares. Various necessary or sufficient conditions are given for Mori conducive domains. Consequently, one has examples of several (accp non-Mori; Mori non-Noetherian) conducive domains.
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Work performed under the auspices of GNSAGA of Consiglio Nazionale delle Ricerche and Dipartimento di Matematica, Università di Roma “La Sapienza”
Supported in part by grants from University of Tennessee Faculty Development Program and the Università di Roma “La Sapienza”
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Barucci, V., Dobbs, D.E. & Fontana, M. Conducive integral domains as pullbacks. Manuscripta Math 54, 261–277 (1986). https://doi.org/10.1007/BF01171337
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DOI: https://doi.org/10.1007/BF01171337