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Mean reversal for stochastic hybrid systems

โœ Scribed by Andrzej Korzeniowski


Publisher
Elsevier
Year
2008
Tongue
English
Weight
286 KB
Volume
2
Category
Article
ISSN
1751-570X

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โœฆ Synopsis


Consider two discrete time Markov chains on a finite state space with ยฑ1 win or lose payoff subject to transition between the states. We introduce a class of processes whose cumulative expected payoffs are decreasing in time but, whenever the processes are chosen at random by flipping a fair coin, the expected payoff for the randomized process becomes increasing in time. The seemingly counterintuitive long time run mean reversal generalizes the idea of combining two losing games into a winning one, known as Parrondo's Paradox.


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