# substochastic

## EnglishEdit

### EtymologyEdit

*sub-* + *stochastic*

### AdjectiveEdit

**substochastic** (*not comparable*)

- (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.