Related papers: Gieseker-Petri special curves

This paper has been withdrawn by the author due to errors.

The paper is being withdrawn since the results are incorporated in paper arxiv.org/abs/math.AG/0306195.

This paper was withdrawn by the author due to an edition's rights

This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.

This paper has been withdrawn by the author due to a crucial error in the proofs. The error has been corrected and the paper has been expanded in arXiv:0910.5327

This paper has been withdrawn by the author due to a crucial mistakes.

This paper has been withdrawn by the authors. It has been superseded by hep-th/0309154

This paper has been withdrawn by the author due to a crucial errors.

This paper has been withdrawn by the author due to new results to be added.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the authors. We have discovered an error in the evaluation of the diagram, which invalidates our conclusion.

This paper has been withdrawn by the author due to some errors.

This paper has been withdrawn

This paper has been withdrawn by the authors.

This paper has been withdrawn by the authors.

This paper has been retracted.

This paper has been withdrawn by the author(s), due a crucial i-number error in Eqn. 18.

This paper has been withdrawn by the author due to a mistake in the proof of the main theorem.

This paper has been withdrawn.

This paper has been withdrawn at the author's request.