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The τ-theory for free groups is undecidable

Published online by Cambridge University Press:  12 March 2014

Libo Lo*
Affiliation:
Beijing Normal University, Beijing, People's Republic of China University of Michigan, Ann Arbor, Michigan 48109

Abstract

In this paper we give short proofs to the undecidability of the τ-theory for free groups and other relevant theories.

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 1983

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References

REFERENCES

[1]Huber-Dyson, V., An inductive theory for free products of groups, Algebra Universalis, vol. 9 (1979), pp. 3544.CrossRefGoogle Scholar
[2]Huber-Dyson, V., The undecidability of the theory of free groups with a length function, University of Calgary, Mathematics Research paper No. 221 (1974), pp. 126.Google Scholar
[3]Huber-Dyson, V., Talking about free groups in naturally enriched languages, Communications in Algebra, vol. 5 (11) (1977), pp. 11631191.CrossRefGoogle Scholar
[4]Tarski, A., Mostowski, A. and Robinson, R. M., Undecidabte theories, Studies in Logic, North-Holland, Amsterdam, 1953.Google Scholar
[5]Chang, C.C. and Keisler, H.J., Model theory, North-Holland, Amsterdam, 1973.Google Scholar
[6]Lyndon, R.C. and Schupp, P.E., Combinatorial group theory, Springer-Verlag, Berlin and New York, 1977.Google Scholar
[7]Lo, L., A discussion on the equations in free groups, Scientia Sinica, No. 5 (1981), pp. 521528.Google Scholar