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Archiv der Mathematik

, Volume 20, Issue 3, pp 235–240 | Cite as

On recognising Hopf groups

  • Donald J. Collins
Article

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References

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    G. Baumslag andD. Solitar, Some two generator one relator non-Hopfian groups. Bull. Amer. Math. Soc.68, 199–201 (1962).Google Scholar
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    W. W. Boone, Review of [8]. Math. Reviews22, 281–283 (1961).Google Scholar
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    A. A. Markov, Impossibility of algorithms for recognising some properties of associative systems. Dokl. Akad. Nauk SSSR77, 953–956 (1951) (Russian).Google Scholar
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    J. Nielsen, A basis for subgroups of free groups. Math. Scand.3, 31–43 (1955).Google Scholar
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    M. O. Rabin, Recursive unsolvability of group theoretic problems. Ann. of Math., II. Ser.67, 172–194 (1958).Google Scholar

Copyright information

© Birkhäuser-Verlag 1969

Authors and Affiliations

  • Donald J. Collins
    • 1
  1. 1.Department of Mathematics Queen Mary CollegeUniversity of LondonLondon 1England

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