Two contributions to the theory of coefficients of ergodicity
Two fixed point theorems for abstract Markov operators.
Two parallel finite queues with simultaneous services and Markovian arrivals.
Two parameter extension of an observation of Poincaré
Two results on jump processes
Two stationarity conditions in the dam
Two-parameter gaussian Markov processes and their recursive linear filtering
Two-parameter semigroups, evolutions and their applications to Markov and diffusion fields on the plane.
Two-sided estimates on the density of the Feynman-Kac semigroups of stable-like processes.