On matrices in finite free position

Octavio Arizmendi, Franz Lehner, Amnon Rosenmann

We study pairs $(A,B)$ of square matrices that are in additive (resp. multiplicative) finite free position, that is, the characteristic polynomial $\ddot{I}{‡}_{A+B}(x)$ (resp. $\ddot{I}{‡}_{AB}(x)$…