Editing Kantorovich inequality (section)

==References==
* {{MathWorld|urlname=KantorovichInequality|title=Kantorovich Inequality}}
* {{PlanetMath|urlname=KantorovichInequality|title=Cauchy-Schwarz inequality}}
* [https://web.archive.org/web/20040807003154/http://carbon.cudenver.edu/~hgreenbe/glossary/index.php?page=K.html Mathematical Programming Glossary entry on "Kantorovich inequality"]
* Marshall, A. W. and Olkin, I., Matrix  versions  of the  Cauchy and Kantorovich inequalities. [[Aequationes Mathematicae]] 40 (1990) 89–93.
* Liu, Shuangzhe and Neudecker, Heinz, A survey of Cauchy-Schwarz and Kantorovich-type matrix inequalities. Statistical Papers 40 (1999) 55-73.
* Liu, Shuangzhe, Leiva,  Víctor, Zhuang, Dan, Ma, Tiefeng and Figueroa-Zúñiga, Jorge I., Matrix differential calculus with applications in the multivariate linear model and its diagnostics. [[Journal of Multivariate Analysis]] 188 (2022) 104849. https://doi.org/10.1016/j.jmva.2021.104849