Related papers: A proof of Hamilton's conjecture
This paper has been withdrawn by the author(s) in the light of several other works available and due to a misunderstanding in the authorships.
This paper is withdrawn because its results have been previously reported in arxiv hep-th/0507200.
This paper has been withdrawn.
This paper has been withdrawn by the authors and replaced by the revised version in arXiv:0709.1772.
This paper has been withdrawn by the author due to a crucial error in last part of proof.
This paper has been withdrawn by the author.
This paper has been withdrawn due to a gap in the proof of the main result.
This paper has been withdrawn by the authors due to a fatal flaw in the central proof.
This paper has been withdrawn by the authors.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This paper has been withdrawn by the authors. A substantially altered paper will be submitted incorporating major corrections, additions and improvements.
This paper has been withdrawn by the author due to an error.
This paper has been withdrawn by the author. The most updated version can be accessed by arXiv:1806.07290.
This article has been withdrawn due to an error in a proof of the main result.
This paper has been withdrawn by the author.
%auto-ignore The paper has been withdrawn by authors. The completely revised version can be found under the following preprint-no: hep-ph/9910282.
This paper has been withdrawn by the author due to extremely unscientific errors.
This paper has been withdrawn by the author.
The paper has been withdrawn by the author.
This paper has been withdrawn as it has been superseded by postings arXiv:quant-ph/0702147 and arXiv:0712.2935
This paper has been withdrawn by the authors. due fail of replacement of the paper. new version is hep-ph/0201214.