Abstract
In this paper, a criterion is given for assuring that a linear positive contraction C 0-semigroup defined on an L 1-space is generated by the closure of A+B, A and B being suitable unbounded linear operators. Furthermore, this criterion is applied to the transport equation, Kolmogorov's differential equations, and a transport equation modelling cell growth.
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Arlotti, L. A perturbation theorem for positive contraction semigroups on L 1-spaces with applications to transport equations and Kolmogorov's differential equations. Acta Appl Math 23, 129–144 (1991). https://doi.org/10.1007/BF00048802
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DOI: https://doi.org/10.1007/BF00048802