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- W4301408547 abstract "We show that if 2^{aleph_0} Cohen reals are added to the universe, then for every reduced non-free torsion-free abelian group A of cardinality less than the continuum, there is a prime p so that Ext_p(A, Z) not= 0. In particular if it is consistent that there is a supercompact cardinal, then it is consistent (even with weak CH) that every coseparable group is free. The use of some large cardinal hypothesis is needed." @default.
- W4301408547 created "2022-10-05" @default.
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- W4301408547 date "1993-05-14" @default.
- W4301408547 modified "2023-10-16" @default.
- W4301408547 title "Every coseparable group may be free" @default.
- W4301408547 doi "https://doi.org/10.48550/arxiv.math/9305205" @default.
- W4301408547 hasPublicationYear "1993" @default.
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