Random walks serve as fundamental models in the study of stochastic processes, simulating phenomena ranging from molecular diffusion to queuing networks and financial systems. Their inherent ...

Mathematics of Computation, Vol. 72, No. 243 (Jul., 2003), pp. 1329-1348 (20 pages) This paper is concerned with the union $sp_\Omega^{(j,k)} T_{n}(a)$ of all ...

Newton's iteration is modified for the computation of the group inverses of singular Toeplitz matrices. At each iteration, the iteration matrix is approximated by a matrix with a low displacement rank ...