相关论文: Quantum Bit Commitment Expansion

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The paper has been withdrawn by the author because the result obtained has been reported earlier by other authors.

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This paper has been withdrawn by the author due to a crucial error.

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This paper has been withdrawn. The main technical result will reappear in the new version of quant-ph/0501003.

This paper has been withdrawn by the authors because the results obtained have been reported earlier by other authors.

This paper has been withdrawn