Generalizing Lee's conjecture on the sum of absolute values of matrices

Quanyu Tang, Shu Zhang

Let $\Vert \cdot {\Vert }_p$ denote the Schatten $p$-norm of matrices and $\Vert \cdot {\Vert }_F$ the Frobenius norm. For a square matrix $X$, let $|X|$ denote its absolute value. In 2010, Eun-…