Related papers: Combinatorial shifting and graded Betti numbers

This paper has been withdrawn because it is a duplicate of [math/0609208].

This paper has been withdrawn by the author.

This paper is withdrawn due to a mistake. The revised version with a new tiltle can be found in hep-ph/0502199.

This paper has been withdraw by the author due to adding more modeling results.

The paper was removed.

This paper has been withdrawn because the models on which it was based have undergone significant changes and improvements. A new paper with the same title, based on the improved models, is accepted for publication in MNRAS and is available…

The paper has been withdrawn

This paper has been withdrawn.

This paper has been withdrawn by Wenji Deng (e-mail: [email protected]) for further modification at Oct. 12, 1998. {PACS: 03.75.Fi, 05.30.Jp.64.60.-i, 32.80.Pj}

The paper has been withdrawn by the author.

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.

This paper has been withdrawn because the new one gr-qc/0512095 includes all its results (as well as those in gr-qc/0511016) in a clearer way.

The paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn by the author due to a error in attachment of source file.

Withdrawn paper because the results are published in math.AT/0308054 and math.AT/0308063.

This paper has been withdrawn by the author. Improved versions (arXiv:1109.5548 and arXiv:0708.4190) are accepted.

This paper has been withdrawn by the authors.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This paper has been withdrawn for the reasons mentioned in the Comments.

This paper has been withdrawn because it is a duplicate of [hep-ph/0609266].