Projective Modules over Witt Rings
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Robert W. Fitzgerald
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Article
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1996
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Elsevier Science
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English
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For several classes of commutative rings R it is known that every finitely generated projective R-modules is isomorphic to a direct sum of a free w x R-module and an invertible ideal of R. For instance, Steinitz 27 essenw x tially proved this for Dedekind domains. Serre 25 proved the same result for