Related papers: Acyclic edge coloring

This paper has been withdrawn by the author(s)

This paper has been withdrawn by the authors due to an error.

This paper is withdrawn

This paper has been withdrawn by the authors

This paper has been withdrawn by the author due to essential mistakes in some previous versions.

This paper has been withdrawn because of serious errors.

This paper has been withdrawn by the author(s), due a crucial sign error in Eqn. 1.

This paper has been withdrawn by the author due to a error in attachment of source file.

This paper has been withdrawn by the author due to a crucial mistakes.

This paper has been withdrawn by the author due to a crucial sign error in equation 1.

This paper has been withdrawn by the author due to a crucial sign error in equation 1.

This paper has been withdrawn by the author due to a crucial sign error in equation 1.

This paper has been withdrawn by the auther due to an error

This paper has been withdrawn by the authors. We have discovered an error in the evaluation of the diagram, which invalidates our conclusion.

This paper has been withdrawn by the author due to similarity to the author's other paper

This paper has been withdrawn by the authors due to new experimental results.

This article has been withdrawn due to an error in a proof of the main result.

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn by the author due to an error in the proof of Theorem 1.

This paper has been withdrawn by the author due to its main result being included in cond-mat/0403309 by the same author.