Related papers: Withdrawn paper

The paper has been withdrawn by the author due to a the manuscript error.

Withdrawn; paper superceded by astro-ph/0105392

The new paper will be submitted.

The paper has been withdrawn

This paper has been withdrawn by the author. Much simpler proof of the main result was obtained which led to major changes in the presentation.

This submission has been withdrawn at the request of the author.

This paper has been withdrawn by the author because there are some typos in proofs.

This paper has been withdrawn by the author due to the presented idea is wrong.

Paper withdrawn; ask me if you would like to know the details.

The authors have withdrawn this paper.

This submission has been withdrawn because it is an advertisement, which is not permitted.

This paper has been withdrawn by the author(s), due a mistake of factor 1/2.

This paper has been withdrawn Abstract: This paper has been withdrawn by the author due to the publication.

This submission has been withdrawn by arXiv admins because it contains inappropriate, fictitious text in the acknowledgments and the final reference.

This paper has been withdrawn by the author due to the paper does not belong to Condensed Matter field.

The paper has been withdrawn because the proof of part (b) of the main theorem is incomplete.

Paper withdrawn.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

This paper has been withdrawn by the author due to similarity to Author's other paper

This paper has been withdrawn.

This paper has been withdrawn by the author. It will be replaced, substantially modified, by sections of the author's completed PhD thesis.