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The classification problem for torsion-free abelian groups of finite rank

Author(s): Simon Thomas
Journal: J. Amer. Math. Soc. 16 (2003), 233-258.
MSC (2000): Primary 03E15, 20K15, 37A20
Posted: October 8, 2002
MathSciNet review: 1937205
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Abstract: We prove that for each $n \geq 1$ , the classification problem for torsion-free abelian groups of rank is not Borel reducible to that for torsion-free abelian groups of rank .

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