Related papers: Fermat Curves and Brauer-Manin Obstructions

This paper has been withdrawn by the author due to a crucial sign error in equation 1.

This paper has been withdrawn by the author.

This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.

This paper has been withdrawn

withdrawed due to a substantial error.

This paper has been withdrawn by the author, due to possible counter-examples.

This paper has been withdrawn due to its publication

The paper was withdrawn by the author. Further research is needed.

This paper has been withdrawn by the author.

The paper has been withdrawn

This paper has been withdrawn by the authors due to a gap in the proof of the main result (in 5.3).

This paper has been withdrawn.

This paper has been withdrawn by the author due to a crucial error.

The paper has been withdrawn by the author due to a gap in Proof of Theorem 1.1.

The paper has been withdrawn.

This paper has been withdrawn by the author(s), due a crucial sign error in Thm. 11.

This paper has been withdrawn by the author.

There are several serious errors in this paper. I thought to have time to fix it, but it did not occur for years. So I withdraw this paper.

This paper has been withdrawn by the author due to serious flaws in certain proofs. For instance, the method used to construct certain automorphic representations is flawed.

The paper has been withdrawn due to an error in the main theorem.