@article{Alakhrass2023, 
author = {Moh. Alakhrass},
title = {A note on positive partial transpose blocks},
year = {2023},
journal = {AIMS Mathematics},
volume = {8},
number = {10},
pages = {23747-23755},
keywords = {block matrices, positive partial transpose matrices, Loewner order, uunitarily invariant norm},
url = {https://www.sciopen.com/article/10.3934/math.20231208},
doi = {10.3934/math.20231208},
abstract = {In this article, we study the class of positive partial transpose blocks. We introduce several inequalities related to this class with an emphasis on comparing the main diagonal and off-diagonal components of a    2  ×  2 positive partial transpose block.}
}