Related papers: An extension theorem for separately holomorphic fu…

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This paper has been withdrawn due to an error, and no further revisions will be made.

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This paper has been withdrawn by the author since the comments have been withdrawn.

This paper has been withdrawn. A much-improved version can be found at hep-ph/0209176.

This paper has been withdrawn by the author due to similarity to the author's other paper

This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.

This paper has been withdrawn by the author due to some errors.

This paper has been withdrawn by the author, since it is now a part of "Classical aspects of lightlike dimensional reduction" Class.Quant.Grav.23:7085-7110, 2006, gr-qc/0610011

This paper has been withdrawn by the author due to a crucial sign error in Proposition 3.1.

This paper has been withdrawn for the reasons mentioned in the Comments.

This paper has been withdrawn due to same as quant-ph/9908068

This paper has been withdrawn by the author. A revised and expanded version is gr-qc/9907028 (Phys.Rev. D60 (1999) 104043).

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to a crucial sign error in Theorem 3.4.

This paper has been withdrawn.

This paper has been withdrawn by the author due to a crucial error in the proof of Lemma 2.2.

This paper has been withdrawn by the author, because it was merged into cs.HC/0508041

This paper has been withdrawn due to non-clearness of some technical points, as well as lack of a reasonable statement of quantization conjecture.