Related papers: Wellposedness of hyperbolic evolution equations in…
This paper has been withdrawn by the author due to a crucial error.
The paper has been withdrawn by the authors. The contents of the paper will be used in a future communication which will contain major addition and shift of focus.
After receiving a number of comments and reviews from our colleagues who have suggested that our results could be greatly improved by other methods of extrapolation, we have decided to withdraw our paper entitled "Absence of…
This paper has been withdrawn by the authors. It has been superseded by hep-th/0309154
This paper has been withdrawn by the author due to a gap in the proof of Lemma 3.4
This paper has been withdrawn by the author due to a crucial sign error in equation 1.
This paper is withdrawn from submission due to a critical error in the proof of main theorem.
This paper has been withdrawn by the author because the conclusions reached in it are incorrect.
This paper has been withdrawn by the authors; the main conclusion is incorrect, as some of the crucial calculations were not properly converged.
This paper has been withdrawn.
This paper has been withdrawn by the authors, due a crucial error in Sec. 3.
This paper has been withdrawn by the author(s), due a crucial sign error in conclusion .
This paper has been withdrawn. (Reason) Its contents have been entirely superseded by the contents of the articles arXiv:0809.3444 and arXiv:0705.3070.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.
The paper has been withdrawn by the author due to a gap in Proof of Theorem 1.1.
This paper has been withdrawn by the author because Lemma 3 is incorrect. This mistake is crucial in this paper.
This paper has been withdrawn by the authors, due to the discovery of paper 0201028 which predates it and contains most of it's results.
This paper has been withdrawn by the author due to a crucial errors.
This paper has been withdrawn by the authors, due to a flaw in the proof of Theorem 1. This preprint is superseded by quant-ph/0610027, where a correct proof can be found. Thanks to Rainer Siegmund-Schultze for spotting the error.
This paper has been withdrawn due to its publication
This paper has been withdrawn by the author due to new results to be added.