Related papers: Free algebras and the Freiheitssatz

This paper has been withdrawn.

This paper is withdrawn. See quant-ph/9806031 for a discussion.

This paper has been withdrawn by the author due to a errors in figure 3,4

The paper is withdrawn due to mistakes in the proofs for Proposition 1.2 and Theorem 2.2.

The authors have withdrawn this paper.

The paper has been withdrawn by the authors. The contents of the paper will be used in a future communication which will contain major addition and shift of focus.

This paper has been withdrawn due to a crucial theoretical and experimental error.

This paper has been withdrawn by the author(s), due a crucial sign error in Thm. 11.

This paper has been withdrawn by the authors, due a crucial error in the proof of the main theorem.

This paper has been withdrawn.

This paper has been withdrawn by the authors

This paper has been withdrawn by the authors. We have discovered an error in the evaluation of the diagram, which invalidates our conclusion.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn by the authors due to an error in Section 7.

This paper has been withdrawn by the author: it was a too preliminary version.

This paper was withdrawn by the author due to an edition's rights

The paper has been withdrawn

The paper has been withdrawn because the proof of part (b) of the main theorem is incomplete.

This paper has been withdrawn