Related papers: Affine surfaces with isomorphic cylinders
This paper has been withdrawn by the authors
This paper was withdrawn by the authors.
This paper has been withdrawn by the authors, since it has been merged with Part I (ID 0802.3570)
This paper was withdrawn by the authors due to significant new findings. A new paper on the same topic has been submitted as physics/0310159.
This paper has been withdrawn by the authors; its contents are superseded by that of hep-th/0105305 and hep-th/0212275.
This paper has been withdrawn, pending revision of the main conclusion, in the light of the criticism of cond-mat/0302043.
This paper has been withdrawn by the authors.
This paper has been withdrawn by the author(s) in the light of several other works available and due to a misunderstanding in the authorships.
The paper has been withdrawn.
This paper has been withdrawn by the authors.
This paper has been withdrawn by the author.
This paper has been withdrawn by the author for further modification.
This paper has been withdrawn
This paper has been withdrawn.
This paper was withdrawn by the authors.
This paper has been withdrawn by the authors.
This paper has been withdrawn
This paper has been withdrawn by the authors due to a gap in the proof of the main result (in 5.3).
This paper has been withdrawn.
This paper has been withdrawn by the authors due to a likely hole in the proof.