Related papers: Incomplete Kloosterman sums and Hooley's R$^*$-Con…

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This paper has been withdrawn by the author because the conclusions reached in it are incorrect.

This paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn by the author, since the author does not have enough time to answer every questions on this result.

This paper has been withdrawn

This paper has been withdrawn by the author(s), due a crucial sign error in Thm. 11.

This paper has been withdrawn by the authors due to an error.

This paper has been withdrawn by author due to an error in the proof.

We withdraw this paper due to insufficient arguments in the derivation of Theorem 1. See quant-ph/0005062 for the new paper

This paper has been withdrawn

This paper has been withdrawn by the author due to a crucial sign error in equation 1.

The paper has been withdrawn by the author due to a gap in Proof of Theorem 1.1.

The paper was withdrawn by the author.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

This paper has been withdrawn by the author, due to an error in relation (11).

The paper has been withdrawn because the proof of part (b) of the main theorem is incomplete.

This paper has been withdrawn by the author(s), due a mistake of factor 1/2.

This paper has been withdrawn by the author.

The paper was removed.

This paper has been withdrawn by the authors.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