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The paper has been withdrawn

This paper has been withdrawn by the author due to an error estimate in Lemma 3.1.

This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.

This paper has been temporarily withdrawn for corrections.

This paper has been withdrawn by the author due to an error in the computation of E(n,x) on page 6 which appears to be essential for the result. The author is currently trying to correct this proof

Temporarly withdrawn. Larger version of this review is currently in preparation.

This paper has been withdrawn by the author(s)

This paper has been withdrawn by the author due to the version of [A complete proof of Hamilton's conjecture] at arXiv:1008.1576

This paper is withdrawn. The revised paper appears in chao-dyn/9904020

This paper has been withdrawn by the author.

This paper has been withdrawn by the author because Lemma 3 is incorrect. This mistake is crucial in this paper.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to errors.

The paper has been permanently removed due to copyright issues.

This paper has been withdrawn.

This paper has been withdrawn by the author due to essential mistakes in some previous versions.

This paper has been withdrawn to allow publication elsewhere.

Paper withdrawn. Replaced by by gr-qc/0212077 .

This paper has been withdrawn.

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