中文

若干与迹和偏迹相关的矩阵不等式的推广

泛函分析 2022-01-20 v3

摘要

我们首先给出半正定分块矩阵中与偏迹相关的行列式不等式。我们的结果推广了 Lin [Czech. Math. J. 66 (2016)] 的一个结果并改进了 Kuai [Linear Multilinear Algebra 66 (2018)] 的一个结果。此外,我们对 Ando [ILAS Conference (2014)] 的一个结果与 Li、Liu 和 Huang 最近的结果 [Operators and Matrices 15 (2021)] 给出了统一处理。进而,我们还将某些涉及偏迹的行列式不等式推广到数值范围包含于一个扇区的一类更广矩阵。另外,也包含了半正定 2×22\times 2 分块矩阵上若干迹不等式的推广。

关键词

引用

@article{arxiv.2003.04520,
  title  = {Extensions of some matrix inequalities related to trace and partial traces},
  author = {Yongtao Li},
  journal= {arXiv preprint arXiv:2003.04520},
  year   = {2022}
}

备注

20 pages. I would like to thank my advisor Prof. Yuejian Peng (Hunan University) for reading carefully through an earlier version of this paper. This work was supported by NSFC (Grant No. 11931002)