量子态变换与Schubert演算
Quantum state transformations and the Schubert calculus
摘要:
数学的最新发展提供了强有力的工具,用于通过矩图比较彼此相关的矩阵的特征值。在本文中,我们调查的一些更具体的方面的方法,特别侧重于应用到量子信息理论。在讨论了霍恩问题和尼尔森定理之间的联系之后,我们继续讨论矩阵的部分迹的特征值。
英文摘要:
Recent developments in mathematics have provided powerful tools for comparing the eigenvalues of matrices related to each other via a moment map. In this paper we survey some of the more concrete aspects of the approach with a particular focus on applications to quantum information theory. After discussing the connection between Horn's Problem and Nielsen's Theorem, we move on to characterizing the eigenvalues of the partial trace of a matrix.
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