Determinant of kronecker product
We consider \(det(A\otimes B)\). Notice that \(det(A\otimes B)=det(A\otimes II\otimes B)=det(A\otimes I)det(I\otimes B)\). Hence we have \(det(A\otimes B)=det(A)^mdet(B)^n\).
We consider \(det(A\otimes B)\). Notice that \(det(A\otimes B)=det(A\otimes II\otimes B)=det(A\otimes I)det(I\otimes B)\). Hence we have \(det(A\otimes B)=det(A)^mdet(B)^n\).