We study the matrix equation XA - AX = τ (X) in Mn (K), where τ is an automorphism of a field K of finite order k. A criterion under which this equation has a nontrivial solution is given. In case ...

Masoud Hajarian ᵃ, Lower Bounds for the Product of the Eigenvalues of the Solutions to tihe Matrix Equations, Filomat, Vol. 29, No. 6 (2015), pp. 1179-1182 ...