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sub- +‎ stochastic

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substochastic (not comparable)

  1. (mathematics, of a matrix) stochastic but having sums of columns less than 1
    • 2015, Weronika Biedrzycka, Marta Tyran-Kaminska, “Existence of invariant densities for semiflows with jumps”, in arXiv[1]:
      The problem of existence and uniqueness of absolutely continuous invariant measures for a class of piecewise deterministic Markov processes is investigated using the theory of substochastic semigroups obtained through the Kato--Voigt perturbation theorem on the  -space.