Groups in the class semigroups of valuation domains |
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Authors: | S Bazzoni L Salce |
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Institution: | (1) Dipartimento di Matematica Pura e Applicata, Università di Padova, Via Belzoni 7, 35131 Padova, Italy |
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Abstract: | It is shown that the isomorphy classes of the ideals of a valuation domain form a Clifford semigroup, and the structure of
this semigroup is investigated. The group constituents of this Clifford semigroup are exactly the quotients of totally ordered
complete abelian groups, modulo dense subgroups. A characterization of these groups is obtained, and some realization results
are proved when the skeleton of the totally ordered group is given.
The authors are members of GNSAGA of CNR. This research was supported by Ministero dell'Università e della Ricerca Scientifica
e Tecnologica, Italy. |
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Keywords: | |
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