Mathematische Zeitschrift

, Volume 148, Issue 1, pp 63–65 | Cite as

A non-free parafree group all of whose countable subgroups are free

  • Gilbert Baumslag
  • Urs Stammbach


Countable Subgroup 
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  1. [B]
    Baumslag, G.: Groups with the same lower central sequence as a relatively free group. II. Properties. Trans. Amer. math. Soc.142, 507–538 (1969)Google Scholar
  2. [H]
    Higman, G.: Almost free groups. Proc. London math. Soc. III. Ser.1, 284–290 (1951)Google Scholar
  3. [St]
    Stammbach, U.: Homology in group theory. Lecture Notes in Mathematics359. Berlin-Heidelberg-New York: Springer 1974Google Scholar

Copyright information

© Springer-Verlag 1976

Authors and Affiliations

  • Gilbert Baumslag
    • 1
  • Urs Stammbach
    • 2
  1. 1.Department of MathematicsCity College of New YorkNew YorkUSA
  2. 2.Mathematisches SeminarEidgenössiche Technische HochschuleZürichSwitzerland

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