Coarse resistance tree methods for stochastic stability analysis

Borowski, Holly and Marden, Jason R. and Leslie, David S. and Frew, Eric W. (2013) Coarse resistance tree methods for stochastic stability analysis. In: Decision and Control (CDC), 2013 IEEE 52nd Annual Conference on. IEEE, pp. 1860-1865. ISBN 9781467357142

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Emergent behavior in natural and manmade systems can often be characterized by the limiting distribution of a class of Markov processes termed regular perturbed processes. Resistance trees have gained popularity as a computationally efficient way to characterize the support of the limiting distribution; however, there are three main limitations of this approach. First, it requires finding a minimum weight spanning tree for each state in a potentially large state space. Second, perturbations to transition probabilities must decay at an exponentially smooth rate. Lastly, the approach is shown to hold purely in the context of finite Markov chains. In this paper we seek to address these limitations by developing new tools for characterizing the limiting distribution. First, we provide necessary conditions for stochastic stability via a coarse, and less computationally intensive, state space analysis. Next, we identify necessary conditions for stochastic stability when smooth convergence requirements are relaxed. Finally, we establish similar tools for stochastic stability analysis in Markov chains over a continuous state space.

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16 Sep 2014 10:54
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18 Sep 2023 02:33