Abstract.
Let D be an R-module over an arbitrary ring R of projective dimension at most 1. We construct an R-module G containing D such that Ext(D, G) = 0 = Ext(G, G). Moreover, we show that if D is \(\lambda \)-projective over a hereditary ring R, for some infinite cardinal \(\lambda \), then G is also \(\lambda \)-projective.
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Received: 9.2.1999
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Pabst, S. On the existence of $\lambda $-projective splitters. Arch. Math. 74, 330–336 (2000). https://doi.org/10.1007/s000130050451
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DOI: https://doi.org/10.1007/s000130050451