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 ...