Related papers: Comment on `Avalanche Dynamics in Evolution, Growt…

Major mistake. The paper has been withdrawn.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the author due to a new work in [arXiv:0901.0456v4] which can contain the results in this paper.

This paper has been withdrawn by the authour.

This paper has been withdrawn.

This paper was withdrawn by the author. It turns out that similar ideas have been presented before. The author apologizes.

This paper has been withdrawn.

This paper has been withdrawn by the authors. Significantly revised versions of the results of this paper are now available in arXiv:0707.0487v2 and arXiv:0808.3169v1.

This paper has been withdrawn by the authors; its contents are superseded by that of hep-th/0105305 and hep-th/0212275.

This paper has been withdrawn, pending revision of the main conclusion, in the light of the criticism of cond-mat/0302043.

This paper has been withdrawn by the author

This paper has been withdrawn by the author.

This paper has been withdrawn.

This paper has been withdrawn

This paper has been withdrawn by the author. Proofs of two propositions need more details.

This paper has been withdrawn by the authors, as it has been rejected in November 2007.

This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.

This paper has been withdrawn by the author because it has been substantially modified.

The paper has been withdrawn by the author.

This paper has been withdrawn by the author since the comments have been withdrawn.