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A Generalization of a Prufer-Kaplansky Theorem

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Abelian Group Theory

Part of the book series: Lecture Notes in Mathematics ((LNM,volume 1006))

Abstract

Let Λ be a complete discrete valuation ring and let A be a torsion free Λ-module. The well known Prüfer-Kaplansky theorem states (see [3, Theorem 12]) that if the module A is reduced and countably generated then it is free. The main goal of this note is a general theorem of the Prüfer-Kaplansky type without assuming the completeness of Λ and without any countability condition on the module A.

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References

  1. FUCHS L.: Infinite Abelian Groups I, II, Acad. Press 1970, 1973.

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  2. FUCHS L.: Abelian Groups, Budapest, 1958.

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  3. KAPLANSKY I.: Modules over Dedekind rings and valuation rings, Trans. Amer. Math. Soc., 72 (1952), 327–340.

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© 1983 Springer-Verlag Berlin Heidelberg

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Procházka, L. (1983). A Generalization of a Prufer-Kaplansky Theorem. In: Göbel, R., Lady, L., Mader, A. (eds) Abelian Group Theory. Lecture Notes in Mathematics, vol 1006. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-21560-9_43

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  • DOI: https://doi.org/10.1007/978-3-662-21560-9_43

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-12335-4

  • Online ISBN: 978-3-662-21560-9

  • eBook Packages: Springer Book Archive

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