On linear preservers of semipositive matrices

Sachindranath Jayaraman, Vatsalkumar N. Mer

Given proper cones $K_1$ and $K_2$ in ${\mathbb{R}}^n$ and ${\mathbb{R}}^m$, respectively, an $m\times n$ matrix $A$ with real entries is said to be semipositive if there exists a $x…