Related papers: Small Doubling and Additive Structure Modulo a Pri…

This paper has been withdrawn by the author due to a crucial error in last part of proof.

This paper has been withdrawn by the author due to a error in attachment of source file.

This paper has been withdrawn by the author, due an error in claim 1.

This paper has been withdrawn by the author, due a crucial error in Eq. 6.

This paper has been withdrawn by the authors due to a gap in the proof of the main result (in 5.3).

This paper has been withdrawn by the author due to an error in the proof of Proposition 4.8.

This paper has been withdrawn by the author, due to errors in Groebner basis calculations in the cases of five and six dimensional groups.

This paper has been withdrawn by the author because Lemma 3 is incorrect. This mistake is crucial in this paper.

This paper has been withdrawn due a crucial mistake due to a crucial mistake in the proof of Lemma 2.3.

This paper has been withdrawn because the content has been substantially improved in a later paper, arXiv:0806.1165.

This paper has been withdrawn due to a error in Theorem 3.1.

This paper has been withdrawn by the author, due to a significant error in section 4.3.1.

This has been withdrawn by the author. A rewrite of some of the material is currently in progress.

This paper has been withdrawn by the author due to an error in an inequality in the proof of Theorem 1.1.

This paper has been withdrawn by the authors, due a crucial error in the proof of the main theorem.

This paper has been withdrawn by the author, due a crucial error in the optimization.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This paper has been withdrawn by the author due to an erro thereon line -2 of page 4.

This paper has been withdrawn by the author due to essential mistakes in some previous versions.

This paper has been withdrawn by the author due to new results to be added.

This paper has been withdrawn by the author due to an error.