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This paper has been withdrawn by the authors. Significantly revised versions of the results of this paper are now available in arXiv:0707.0487v2 and arXiv:0808.3169v1.
This paper has been withdrawn. A much-improved version can be found at hep-ph/0209176.
This paper is withdrawn by the author. See math.GT/9811093 for replacement.
This paper has been withdrawn by the author due to the fact that the results were found to be done previously.
This paper has been withdrawn by the author. A much more revised version is available as arXiv:0909.4238.
A historical account of Einstein's 'Fernparallelismus' approach towards a unified field theory of gravitation and electromagnetism is given. In this theory, a space-time characterized by a curvature-free connection in conjunction with a…
This paper has been withdrawn because the part concerning the definition of global hyperbolicity has already been included in an expanded and clearer way in gr-qc/0611138. The remainder will be also extended and posted.
This paper has been withdrawn by the authors due to the inconsistency of the computations used for extra dimensions and the fractal dimensional approach of the paper. An updated version of the paper will be published under a different…
This paper has been withdrawn by the author due to similarity to Author's other paper
Paper withdrawn. Replaced by by gr-qc/0212077 .
This paper is incorrect, and has been withdrawn by the author.
This paper has been removed by arXiv administrators because it plagiarizes gr-qc/0410004, gr-qc/0603075, and others. This paper also has excessive overlap with the following papers also written by the authors or their collaborators:…
This paper has been withdrawn by the author since the comments have been withdrawn.
This paper has been withdrawn by the author. Improved versions (arXiv:1109.5548 and arXiv:0708.4190) are accepted.
This paper has been withdrawn because the content has been substantially improved in a later paper, arXiv:0806.1165.
This paper has been withdrawn by the author(s) in the light of several other works available and due to a misunderstanding in the authorships.
This paper has been withdrawn by the author.
This paper has been withdrawn by the author due to some problems.
This paper was withdrawn by the author.
This paper has been withdrawn by the author, because it is now part of an enlarged version entitled "Time functions as utilities" arXiv:0909.0890