Related papers: Plane Jacobian problem for rational polynomials

There have been gaps found in the proofs. The paper is withdrawn until further notice.

This article has been withdrown by the author.

This paper has been withdrawn by the author because eq.(4) and those subsequent are incorrect.

This paper has been withdrawn by the author for further investigation.

This paper has been withdrawn by the authors due to a crucial error in equation 12.

This article is withdrawn because of a mistake in the main result of the paper.

This paper has been withdrawn by the author, since the author does not have enough time to answer every questions on this result.

This paper has been withdrawn.

This paper has been withdrawn.

The paper has been withdrawn by the author due to unhappy mistake in the initial scope of the work.

This paper has been withdrawn by the author due a few mistakes in the paper.

The paper is withdrawn by the author due to a recently discovered flaw in a basic proof.

Major mistake. The paper has been withdrawn.

This paper is being withdrawn by the author due a serious flaw.

This paper has been withdrawn by the authors, due to a crucial error.

The paper was withdrawn by the author. It contained various errors.

Due to a computational mistake this paper has been withdrawn.

This paper has been withdrawn by the author due to a crucial sign error in Proposition 3.1.

This paper has been withdrawn.

The paper has been withdrawn by the author due an error in the proof of Theorem 3.2.