Bext^2(G,T) can be nontrivial, even assuming GCH

Menachem Magidor; Saharon Shelah

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arXiv · math/9405214

Bext^2(G,T) can be nontrivial, even assuming GCH

Menachem Magidor·Saharon Shelah

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Abstract

Using the consistency of some large cardinals we produce a model of Set Theory in which the generalized continuum hypothesis holds and for some torsion-free abelian group G of cardinality aleph_{omega +1} and for some torsion group T, Bext^2(G,T) not =0 .

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BibTeX RIS

Menachem Magidor, Saharon Shelah. 1994-05-15. Bext^2(G,T) can be nontrivial, even assuming GCH. https://arxiv.org/abs/math/9405214

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