Related papers: Lower order eigenvalues of the biharmonic operator

This paper has been withdrawn by the author due to similarity to the author's other paper

This paper has been withdrawn by the authors; its contents are superseded by that of hep-th/0105305 and hep-th/0212275.

This paper has been withdrawn by the author due to a crucial error.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the author.

The paper has been withdrawn by the authors for modification.

This paper has been withdrawn by the author due to essential mistakes in some previous versions.

This paper has been withdrawn by the author(s), due an error in the proof.

The methods used to prove the main result must be incorrect, as they can be used to arrive at a contradiction with previously known results. Thus the paper was withdrawn.

This paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn.

The paper has been withdrawn by the author.

This paper has been withdrawn due to an error, and no further revisions will be made.

This paper has been withdrawn by the author due to some mistakes

The paper is withdrawn by the authors and replaced be an improved and extended version arxiv: 0812.2968

This paper has been withdrawn by the author. This paper is now obsolete. For a solution please see: arXiv:/1205.4265.

%auto-ignore This paper has been withdrawn by the authors.

This paper has been withdrawn.

This paper has been withdrawn by the author