Related papers: Einstein spacetimes with recurrent lightlike vecto…

This paper has been withdrawn by the author.

This paper has been withdrawn by the author [arXiv admin].

This paper has been withdrawn by the author(s) due to the discussion was made on the basis of linear term merely, which is incomplete.

This paper has been withdrawn by the authors

This paper has been withdrawn by the authors as requested by the journal.

This paper has been withdrawn by the author, due to possible counter-examples.

We discuss the possibility that spacetime geometry may be an emergent phenomenon. This idea has been motivated by the Analogue Gravity programme. These are systems where the kinematics of small perturbations are dominated by an effective…

This paper has been withdrawn by the author due to unspecified problems.

This paper has been withdrawn by the authors.

The paper has been withdrawn by the authors. See newer and expanded version quant-ph/0606221, published in Europhysics Letters 78, 30004 (2007).

This paper has been withdrawn by the author.

This paper has been withdrawn by the author. The paper has been accepted for publication in Communications on Pure and Applied Mathematics.

This paper has been withdrawn by the author due to the unsuitable content.

This paper has been withdrawn by the author due to the paper does not belong to Condensed Matter field.

%auto-ignore This paper has been withdrawn by the author(s) since somebody do not agree with my idea.

This paper has been withdrawn due to the use of some incorrect neutrino parameter space ranges.

This paper has been withdrawn by the authors due to numerical problems to get viable results.

This paper has been withdrawn by the author. It has come to my attention that most of the results reported here have already been obtained by Ludvigsen.

This paper has been withdrawn by the authors

This paper has been withdrawn.