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This paper has been withdrawn by the authors because the paper is largely revised and improved, and to appear in Mechanics Research Communications.

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The paper is withdrawn.

This version of the paper has been withdrawn due to an error. Please contact one of the authors for an updated copy.

This paper has been withdrawn due to an error, and no further revisions will be made.

This paper has been withdrawn by the authors

This paper has been withdrawn by the author due to a crucial errors.

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn by the author due to a crucial error.

This paper has been withdrawn by the authors, due to a crucial error.

This paper has been withdrawn by the author due to a misunderstanding about 3QBF.

This paper has been retracted, for obvious reasons.

This paper is withdrawn by the author. It is superseded by Makhlin's paper quant-ph/0002045.

This paper has been withdrawn by the authors, due to a possible flaw in its logic. Namely, it has been taken for granted that the the structure of regular part of Helmholtz free energy is insensitive to the sign of the specific heat…

This paper has been withdrawn.

This paper has been withdrawn by the author(s), due a crucial sign error in conclusion .

This paper has been withdrawn due to errors in the analysis of data with Carrier Access Rate control and statistical methodologies.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author(s). The material contained in the paper will be published in a subtantially reorganized form, part of it is now included in math.QA/0510174

This paper has been withdrawn by the author for further modification.