Related papers: On homology classes not representable by products

This paper has been withdrawn because the content has been substantially improved in a later paper, arXiv:0806.1165.

This paper has been withdrawn. (Reason) Its contents have been entirely superseded by the contents of the articles arXiv:0809.3444 and arXiv:0705.3070. There is no profitable reason to keep it alive. No material on it is however wrong.

This paper has been withdrawn as it has been superseded by arXiv:1103.0251

The article is withdrawn. Its content is contained in the final version of arXiv:0805.1634.

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This paper is wrong and is therefore withdrawn.

This paper has been withdrawn by the authors. Because of a misunderstanding, the paper was submitted prematurely to the arXiv. A replacement will follow.

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This paper has been withdrawn by the author due to an error in the proof of Theorem 1.

This paper has been withdrawn: it has been merged with the preprint to which it refers.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the authors. Significantly revised versions of the results of this paper are now available in arXiv:0707.0487v2 and arXiv:0808.3169v1.

This preprint has been withdrawn.

The paper is being withdrawn. A new submission will follow.

This paper has been withdrawn by the author(s) in the light of several other works available and due to a misunderstanding in the authorships.

This paper has been withdrawn since it is identical to the paper math.QA/0601267. It was posted by mistake.

This paper has been withdrawn by the authors due to a possible inconsistency in the program code.