Related papers: On dual quadri-algebras

This paper has been withdrawn by the author.

This paper has been withdrawn.

This paper has been withdrawn by the authors due to the fact that the conjecture has indeed already long been established.

There have been gaps found in the proofs. The paper is withdrawn until further notice.

This paper has been withdrawn, as it has been merged into arXiv:1009.6144

Major mistake. The paper has been withdrawn.

The paper has been withdrawn by the author.

This paper has been withdrawn by the author due to the presented idea is wrong.

This paper has been withdrawn by the author

This paper has been withdrawn since it was an inadvertant double submission. An updated version of the original submission can be found at quant-ph/0505131

The paper has been withdrawn.

This paper has been retracted, for obvious reasons.

This paper has been withdrawn

This paper has been withdrawn.

This paper was withdrawn by the author due to an edition's rights

The paper has been withdrawn due to a crucial error in section 3.

This paper has been withdrawn by the author

This paper has been withdrawn.

This paper is wrong and is therefore withdrawn.

This paper has been withdrawn by the author due to an error.