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This paper has been withdrawn by the authors because the paper is largely revised and improved, and to appear in Mechanics Research Communications.

This paper has been withdrawn by the author. Proofs of two propositions need more details.

This paper has been withdrawn as it has been superseded by postings arXiv:quant-ph/0702147 and arXiv:0712.2935

The effect of the random quantum transverse field $\Omega$

This paper has been withdrawn

Withdrawn due to extensions and submission as another paper.

This paper has been withdrawn by the authors due to a gap in the proof of the main result (in 5.3).

This paper has been withdrawn by the author(s), due a crucial sign error in conclusion .

This paper has been withdrawn. The results are now part of math.GR/9804072.

This paper has been withdrawn while the author verifies the literature.

This paper has been withdrawn by the author because it has been substantially modified.

This paper has been withdrawn.

This paper has been withdrawn, and will be superseded by another submission.

This paper has been withdrawn by the authors

The paper has been withdrawn by the author, due to it being fundamentally flawed. The author apologizes for any inconvenience it may have caused.

This paper has been withdrawn by the author

This paper has been withdrawn by the author due to essential mistakes in some previous versions.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author, since now all four parts of the review are available as a single file 0804.1639. I also made some revision of the text in order to avoid misprints and some inaccurate expressions.

This paper has been withdrawn by the author.