Approximating projections by quantum operations
Approximating projections by quantum operations
复制标题
通过量子运算近似预测
DOI：
10.1016/j.laa.2023.01.008
复制
发表时间：
2023
影响因子：
1.1
通讯作者：
Sinclair, Thomas
中科院分区：
文献类型：
--
作者：
Araiza, Roy;Griffin, Colton;Khilnani, Aneesh;Sinclair, Thomas
利用半定规划的技巧，我们研究了寻找一个最接近于矩阵子系统投影的量子通道的问题。我们推导出与Duan，Severini和Winter的量子Lovász θ函数相关的矩阵子系统的两个不变量。
Using techniques from semidefinite programming, we study the problem of finding a closest quantum channel to the projection onto a matricial subsystem. We derive two invariants of matricial subsystems which are related to the quantum Lovász theta function of Duan, Severini, and Winter.