Related papers: Redacted
This paper has been removed by arXiv administrators because it plagiarizes gr-qc/0410004, gr-qc/0603075, and others. This paper also has excessive overlap with the following papers also written by the authors or their collaborators:…
This paper has been withdrawn by the author.
This paper has been removed by arXiv administrators because of overlap with gr-qc/9910015 and hep-th/0308070. It also has excessive overlap with the following papers also written by the authors or their collaborators: gr-qc/0509047,…
This paper has been withdrawn by the authors since it was discovered that most of its content was already known.
This paper has been withdrawn by the author(s), due the final version in math.QA/0604564
This submission has been withdrawn because it is an advertisement, which is not permitted.
This paper has been withdrawn, because it is subsumed by the new preprint arXiv:0806.4540 .
This paper was withdrawn by arXiv administrators. It is an erroneous duplicate submission of math.NA/0405095.
This submission has been withdrawn by arXiv administrators because it contains excessive and unattributed reuse of content from other authors.
This paper has been withdrawn Abstract: This paper has been withdrawn by the author due to the publication.
This paper has been withdrawn by authors for significant modification.
This paper was withdrawn as it may have appeared elsewhere, although in a different form.
This paper has been withdrawn by the author due to an error in the last paragraph of step 2 of the main proof, on page 6.
This submission has been removed by arXiv administration because it was submitted in violation of copyright by HAL.
This paper was withdrawn by the author.
This paper has been removed by arXiv administrators because it plagiarizes gr-qc/0303009, hep-th/0405047, gr-qc/0602107, hep-th/0311050, gr-qc/0412120, gr-qc/0508005, and others. This paper has excessive overlap with the following papers…
This submission has been withdrawn by arXiv administrators due to inappropriate text reuse from external sources
This paper has been withdrawn by the authors due to an unlikely results.
This paper has been withdrawn by the author(s) in the light of several other works available and due to a misunderstanding in the authorships.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 removed from the network permanently. The content in this paper has now been put together with hep-th/9310183. See the recently replaced and widely revised version of the latter.