Journal of Economics, Vol. 84, No. 1 (February 2005), pp. 71-94 (24 pages) Economic systems often are described in matrix form as x = Mx. We present a new theorem for systems of this type where M is ...
Let A be a complex diagonalizable matrix with two distinct nonzero eigenvalues λ and μ, the Yang-Baxter-like matrix equation AXA = XAX is reconsidered. We correct and improve the results in Shen et al ...