Schatten p-norm inequalities related to a characterization of inner product spaces

O. Hirzallah, F. Kittaneh, M. S. Moslehian

Let $A_1,...A_n$ be operators acting on a separable complex Hilbert space such that ${\sum }_{i=1}^n{A}_i=0$. It is shown that if $A_1,...A_n$ belong to a Schatten $p$-class, for s…