Related papers: Inducing periodicity and chaos by negative feedbac…

This paper has been withdrawn by the author, due a crucial error in the optimization. For the last one month I have been trying to remove the error, but it seems to take a lot of time so I decided to withdraw this paper for the moment.

This paper has been withdrawn by the author due to new results to be added.

Paper has been withdrawn, see comment.

This paper has been withdrawn.

This paper has been withdrawn.

The paper has been withdrawn

This paper has been withdrawn by the author due to an error in the proof of Theorem 1.

This paper has been withdrawn at the author's request.

This paper has been withdrawn by the author because it needs a deep methodological revision.

This paper has been withdrawn by the author due to a crucial error in the definition of homomorphism.

The paper is withdrawn.

This paper has been withdrawn by the author due to a crucial sign error in equation 1.

This paper has been withdrawn

The paper is withdrawn due to an error in Section 2.

Withdrawn due to critical error.

This paper has been withdrawn by the author due to a crucial error.

This paper has been withdrawn due to a crucial theoretical and experimental error.

This paper has been withdrawn by the author because overcame by arXiv:0910.4694

This paper has been withdrawn by the author due to error in equation (46).

This paper has been withdrawn by the author due to a crucial error.