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A generalization of Straube's theorem: existence of absolutely continuous invariant measures for random maps
Author(s) -
Md. Shafiqul Islam,
Paweł Góra,
Abraham Boyarsky
Publication year - 2005
Publication title -
international journal of stochastic analysis
Language(s) - English
Resource type - Journals
eISSN - 2090-3340
pISSN - 2090-3332
DOI - 10.1155/jamsa.2005.133
Subject(s) - mathematics , absolute continuity , invariant measure , invariant (physics) , generalization , random compact set , random element , probability measure , discrete mathematics , mathematical analysis , pure mathematics , random variable , statistics , ergodic theory , mathematical physics
A random map is a discrete-time dynamical system in which one of anumber of transformations is randomly selected and applied at eachiteration of the process. In this paper, we study random maps. Themain result provides a necessary and sufficient condition for theexistence of absolutely continuous invariant measure for a randommap with constant probabilities and position-dependent probabilities

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