Related papers: String amplitudes and the Penrose limit

This paper has been withdrawn due to an incorrect proof.

This paper has been withdrawn by the author due to the incorrect argument for the security.

This paper has been withdrawn by the author due to a error in attachment of source file.

This paper has been withdrawn by the author due to the presented idea is wrong.

The paper has been withdrawn

This paper has been withdrawn by the author due to similarity to the author's other paper

This paper has been withdrawn by the authors, due an error involving the weak* convergence argument in section 2

This paper has been withdrawn by the author due to essential mistakes in some previous versions.

The paper has been withdrawn by the authors

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn by the author: it was a too preliminary version.

This paper has been withdrawn by the author due to a crucial error

This paper was withdrawn by the authors.

This paper has been withdrawn by the author: it was a too preliminary version.

This paper has been withdrawn by the author.

This paper has been withdrawn by the authors due to new experimental results.

This paper has been withdrawn by the author due to a misunderstanding.

This paper has been withdrawn by the author, due a crucial error in the main idea.

This paper has been withdrawn by the author(s), due to the existence of a much better paper in http://arxiv.org/abs/cs.CR/0207027

This paper had been withdrawn because the prime reported effect had not been confirmed in further investigations (see arXiv:0812.4488 [hep-lat]).