Bibliography
Adian, S.J.: Defining relations and algorithmic problems for groups and semigroups. Proc. Steklov Inst. Math.85 (1966)
Culler, M.: Using surfaces to solve equations in groups. Topology20, 133–145 (1981)
Gersten, S.M.: Conservative groups, indicability and a conjecture of Howie. J. Pure Appl. Algebra29, 59–74 (1983)
Gersten, S.M.: Nonsingular equations of small weight over groups, to appear in Combinatorial Group Theory and topology. Annals of Math. Studies, Princeton University Press
Gersten, S.M.: Reducible diagrams in the solution of equations over groups. Preprint
Gerstenhaber, M., Rothaus, O.S.: The solution of sets of equations in groups. Proc. Nat. Acad. Sci. USA48, 1531–1533 (1962)
Goldstein, R.Z., Turner, E.C.: Applications of topological graph theory to group theory. Math. Z.165, 1–10 (1979)
Howie, J.: How to generalize one-relator group theory, to appear in Combinatorial Group Theory and Topology, Annals of Math. Studies, Princeton University Press
Howie, J.: On pairs of 2-complexes and systems of equations over groups. J. Reine Angew. Math.324, 165–174 (1981)
Howie, J.: Spherical diagrams and equations over groups. Math. Proc. Camb. Philos. Soc.96, 255–268 (1984)
Howie, J.: Thep-adic topology on a free group: a counterexample. Math. Z.187, 25–27 (1984)
Howie, J.: The solution of length three equations over groups. Proc. Edinb. Math. Soc.26:2, 165–174 (1981)
Levin, F.: Solutions of equations over groups. Bull. Am. Math. Soc.68, 603–604 (1962)
Remmers, J.H.: On the geometry of semigroup presentations. Adv. Math.36, 283–296 (1980)
Sieradski, A.: A coloring test for asphericity Q. J. Math. Oxf.34:2, 97–106 (1983)
Stallings, J.R.: Surfaces in 3-manifolds and non-singular equations in groups. Math. Z.184, 1–17 (1983)
Author information
Authors and Affiliations
Additional information
Partially supported by National Science Foundation grant MDS 84 00882 and by the Mathematical Sciences Research Institute, Berkeley
Rights and permissions
About this article
Cite this article
Gersten, S.M. Products of conjugacy classes in a free group: a counterexample. Math Z 192, 167–181 (1986). https://doi.org/10.1007/BF01179420
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01179420