Abstract. Let R be a commutative domain. We prove that an R-module B is projective if and only if Ext1R(B, T ) = 0 for any torsion module T . This answers in the affirmative a question raised by Kaplansky in 1962
A solution to the Baer splitting problem
ANGELERI, LIDIA;
2008-01-01
Abstract
Abstract. Let R be a commutative domain. We prove that an R-module B is projective if and only if Ext1R(B, T ) = 0 for any torsion module T . This answers in the affirmative a question raised by Kaplansky in 1962File in questo prodotto:
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