相关论文: Optical theorem and cutting rules

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This paper has been withdrawn by the author.

This paper has been withdrawn by the authors.

Major mistake. The paper has been withdrawn.

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This paper has been withdrawn by the authors. A substantially altered paper will be submitted incorporating major corrections, additions and improvements.

This paper has been withdrawn by the authour.

This paper has been withdrawn by the author

This paper has been withdrawn by the authors

This paper has been withdrawn by the author, due to a crucial error in the proof of Thm.1

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The article is taken out.

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This paper has been withdrawn by the author.

The paper has been withdrawn due to technical reason.

The paper has been withdrawn.

This early trial has been withdrawn by the author. For a completed and published version cf. arXiv:math/0608597v5.

This paper has been withdrawn by the authors due to its publication