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Nendel, Max
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Center for Mathematical Economics Working Papers No. 588
Bielefeld University, Center for Mathematical Economics (IMW), Bielefeld
In this paper, we consider nonlinear continuous-time Markov chains with a finite state space. We define so-called Q-operators as an extension of Q-matrices to a nonlinear setup, where the nonlinearity is due to parameter uncertainty. The main result gives a full characterization of convex Q-operators in terms of a positive maximum principle, a dual representation by means of Q- matrices, continuous-time Markov chains under convex expectations and fully nonlinear ODEs. This extends a well-known characterization of Q-matrices
Nonlinear expectations
imprecise Markov chains
nonlinear transition probabilities
generators of nonlinear ODEs
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Working Paper

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