This is a preview. Log in through your library . Abstract The maximum principle of Fichera for a single second order partial differential equation with nonnegative characteristic form is extended to ...
Journal of Applied Probability, Vol. 38, No. 2 (Jun., 2001), pp. 519-541 (23 pages) We study the convergence of certain matrix sequences that arise in quasi-birth-and-death (QBD) Markov chains and we ...
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