Mixed-Mean Inequality for Submatrix

Lin Si, Suyun Zhao

For a $m\times n$ matrix $B=(b_{ij}{)}_{m\times n}$ with nonnegative entries $b_{ij}$ and any $k\times l-$submatrix $B_{ij}$ of $B$, let $a_{B_{ij}}$ and $g_{B_{ij}}$ denote the arit…