A treatment of the Cauchy--Schwarz inequality in $C^{\ast }$-modules

LJ. Arambasic, D. Bakic, M. S. Moslehian

We study the Cauchy--Schwarz and some related inequalities in a semi-inner product module over a $C^{\ast }$-algebra $\A$. The key idea is to consider a semi-inner product $\A$-module as…