Related papers: The small-time behaviour of diffusion and time-cha…

This paper has been withdrawn by the author due to a crucial error.

This paper has been withdrawn by the author due to the incorrect application of the divergence theorem to Eqs 7, 8 and 9.

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This paper has been withdrawn by the authors due to an unlikely results.

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This paper has been withdrawn by the author(s), due the final version in math.QA/0604564

This paper has been withdraw by the author due to adding more modeling results.

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