Related papers: Logarithmic Comparison Theorem and Euler homogenei…

This paper has been withdrawn by the author due to an error in the proof of Theorem 1.

This paper has been withdrawn by the author, due to an error in the proof of Theorem 3.8.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to an error in an inequality in the proof of Theorem 1.1.

This paper has been withdrawn by the author due to a gap in the proof of the main result.

This paper has been withdrawn by the author

Paper withdrawn.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.

This paper has been withdrawn by the author due to the presented idea is wrong.

This paper has been withdrawn by the author due to a crucial error.

This paper has been withdrawn by the authors, due a crucial mistake in Lemma 2

This paper has been temporarily withdrawn for corrections.

This paper has been withdrawn by the author.

The paper has been withdrawn by the author, due to it being fundamentally flawed. The author apologizes for any inconvenience it may have caused.

This paper has been withdrawn by the authors, due Eqn. 8 is not a corollary of ref. 3 and does not hold generally.

This paper was withdrawn by the authors.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

This paper is withdrawn. We found a mistake in Lemma 4.1

This paper has been withdrawn by the author. Lemma 8 is used in the proof of Lemma 6, but it is not correct. Lemma 6 is essential for the main results.

This paper has been withdrawn by the author(s) in the light of several other works available and due to a misunderstanding in the authorships.

This paper has been withdrawn.

This paper has been withdrawn by the author due to an error in Lemma 3, making the (bijective) proof of Theorem 4 and Corollary 5 invalid (symmetry of k-nonnesting and k-noncrossing set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