Related papers: Amenability and co-amenability in non-abelian grou…

This paper has been withdrawn by the author(s), due the final version in math.QA/0604564

This paper has been withdrawn

This paper has been withdrawn by the author, due to errors in Groebner basis calculations in the cases of five and six dimensional groups.

The paper is withdrawn.

This paper has been withdrawn by the author, because a better treatment is given in the author's Phd. thesis (Sections 3.4.6 and 4.4), now available on the arxiv.

This paper has been withdrawn by the author due to an error in the proof of Theorem 6.

This paper was withdrawn by the authors. The mistake in math.AG/0209223 affects also this paper.

This paper has been withdrawn. The results are now part of math.GR/9804072.

This paper has been withdrawn by the author due to a crucial error in Lemma 3.5.

The paper has been withdrawn by the author due to a gap in Proof of Theorem 1.1.

This paper has been withdrawn by the author due to an error in Lemma 3, making the (bijective) proof of Theorem 4 and Corollary 5 invalid (symmetry of k-nonnesting and k-noncrossing set partitions).

The paper has been withdrawn.

This paper has been withdrawn by the authors, due a crucial mistake in Lemma 2

This paper has been withdrawn by the author due to a crucial error.

The paper is withdrawn by the authors and replaced be an improved and extended version arxiv: 0812.2968

This paper has been withdrawn by the author, due to a crucial error in the proof of Lemma 3.1.

This paper was withdrawn by the authors. Lemma 5.1 is wrong.

This paper has been withdrawn by the author, due to a crucial error in page 5.

The paper was removed.

Paper withdrawn. There is a gap in the proof of Proposition 4.3 (its conclusion ``d'o\`{u} la proposition.'' is incorrect). Therefore theorems 1.1 and 3.1, which were the main results of the paper, are not proved.