Related papers: Optimal time evolution in (non)hermitian quantum m…

This paper has been withdrawn.

The paper has been withdrawn by the author.

This paper has been withdrawn

This paper has been withdrawn by the author due to an error estimate in Lemma 3.1.

This paper has been withdrawn

This paper has been withdrawn by the author

This paper has been withdrawn. (Reason) Its contents have been entirely superseded by the contents of the articles arXiv:0809.3444 and arXiv:0705.3070. There is no profitable reason to keep it alive. No material on it is however wrong.

This paper has been withdrawn by the authors because the paper is largely revised and improved, and to appear in Mechanics Research Communications.

This paper has been withdrawn by the authors due to a fatal flaw in the central proof.

The paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn by the author because the conclusions reached in it are incorrect.

This submission has been withdrawn at the request of the author.

This paper has been withdrawn by the authors.

This paper has been withdrawn.

This paper has been withdrawn by the author due to inconsistency of the considered working hypothesis. The consistent treatment is presented in the last publications of the author.

The paper has been withdrawn

This paper has been withdrawn by the author due to a coming paper completely superseding it.

This paper has been withdrawn

This paper has been withdrawn by the author.