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

This paper has been withdrawn. (Reason) Its contents have been entirely superseded by the contents of the articles arXiv:0809.3444 and arXiv:0705.3070. There is no profitable reason to keep it alive. No material on it is however wrong.

This paper has been withdrawn by the author due to a gap in the proof of the main result.

This paper has been withdrawn by the author.

This article has been withdrawn.

The paper has been withdrawn by the authors.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This paper has been withdrawn by the authors for adding some results.

This paper has been withdrawn by the author

This paper has been withdrawn pending revision.

This paper has been withdrawn by the author because the conclusions reached in it are incorrect.

This paper has been withdrawn by the author due to unspecified problems.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the author(s) in the light of several other works available and due to a misunderstanding in the authorships.

The paper has been withdrawn.

This paper has been withdrawn by the author

The paper has been withdrawn

This paper is withdrawn by the authors.

This paper was withdrawn by the author.

This paper has been withdrawn by the authors, because of a crucial gap in the proof of the main theorem.

The paper has been withdrawn.

This article has been withdrawn.