Related papers: An algorithm for solving the Independent Set probl…

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This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to a crucial error in the definition of homomorphism.

This paper has been withdrawn by the author.

The paper was withdrawn by the author. It contained various errors.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to a serious mistake on Lemma 2.4.

This paper has been withdrawn by the author due to a crucial error in the submission action.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to a mistake in the proof of the main theorem.

This paper has been withdrawn

This paper has been withdrawn by the author(s), due a crucial error on the entanglement of $\Gamma$ registers.

This paper has been withdrawn by the author due to a gap in the proof of the main result.

This paper is withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author(s). Please refer to quant-ph/0311171.

This paper has been withdrawn by the author.

This paper has been withdrawn at the author's request.

This paper has been withdrawn by the author, due to errors in the figures.

This paper has been withdrawn by the author, due to a crucial error in the proof of Lemma 3.1.