具有单侧误差的量子比较机
Quantum comparison machines with one-sided error
摘要：
总是有可能判定两个量子态在特定的幺正变换下是否相同，但有单侧误差。然而，我们在这里表明，它是{ \em不可能}这样做，如果变换是反线性和非奇异的。这一结果意味着在量子信息理论中，幺正和反幺正操作是不平等的。
英文摘要：
It is always possible to decide, with one-sided error, whether two quantum states are the same under a specific unitary transformation. However we show here that it is {\em impossible} to do so if the transformation is anti-linear and non-singular. This result implies that unitary and anti-unitary operations exist on an unequal footing in quantum information theory.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
