Sh:879

• Eklof, P. C., Fuchs, L., & Shelah, S. (2012). Test groups for Whitehead groups. Rocky Mountain J. Math., 42(6), 1863–1873. arXiv: math/0702293 DOI: 10.1216/RMJ-2012-42-6-1863 MR: 3028765
• Abstract:
  We consider the question of when the dual of a Whitehead group is a test group for Whitehead groups. This turns out to be equivalent to the question of when the tensor product of two Whitehead groups is Whitehead. We investigate what happens in different models of set theory.
• Version 2010-03-15_11 (7p) published version (11p)

@article{Sh:879,
 author = {Eklof, Paul C. and Fuchs, L{\'a}szl{\'o} and Shelah, Saharon},
 title = {{Test groups for Whitehead groups}},
 journal = {Rocky Mountain J. Math.},
 fjournal = {The Rocky Mountain Journal of Mathematics},
 volume = {42},
 number = {6},
 year = {2012},
 pages = {1863--1873},
 issn = {0035-7596},
 mrnumber = {3028765},
 mrclass = {20K20 (03E35 20A15 20K35 20K40)},
 doi = {10.1216/RMJ-2012-42-6-1863},
 note = {\href{https://arxiv.org/abs/math/0702293}{arXiv: math/0702293}},
 arxiv_number = {math/0702293}
}