References
Collins, D.J., Zieschang, H.: On the Whitehead method in free products (to appear in Advances in Mathematics)
Collins, D.J., Zieschang, H.: Rescuing the Whitehead method for free products, II: The Algorithm (to appear)
Fouxe-Rabinovitch, D.I.: Über die Automorphismengruppen der freien Produkte. I. Mat. Sbornik8, 265–276 (1940)
Fouxe-Rabinovitch, D.I.: Über die Automorphismengruppen der freien Produkte, II. Mat. Sbornik9, 183–220 (1941)
Higgins, P.J., Lyndon, R.C.: Equivalence of elements under automorphisms of a free group. J. Lond. Math. Soc.8, 254–258 (1974)
Lyndon, R.C., Schupp, P.E.: Combinatorial Group Theory. Berlin, Heidelberg, New York: Springer 1977
Rapaport, E.S.: On free groups and their automorphisms. Acta Math.99, 139–163 (1958)
Whitehead, J.H.C.: On certain elements in a free group. Proc. Lond. Math. Soc.41, 48–56 (1936)
Whitehead, J.H.C.: On equivalent sets of elements in a free group. Ann. of Math.37, 782–800 (1936)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Collins, D.J., Zieschang, H. Rescuing the whitehead method for free products, I: Peak reduction. Math Z 185, 487–504 (1984). https://doi.org/10.1007/BF01236258
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01236258