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  1. (1 other version)Algorithmic Randomness and Measures of Complexity.George Barmpalias - 2013 - Bulletin of Symbolic Logic 19 (3):318-350.
    We survey recent advances on the interface between computability theory and algorithmic randomness, with special attention on measures of relative complexity. We focus on reducibilities that measure the initial segment complexity of reals and the power of reals to compress strings, when they are used as oracles. The results are put into context and several connections are made with various central issues in modern algorithmic randomness and computability.
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  • A uniform version of non-low2-ness.Yun Fan - 2017 - Annals of Pure and Applied Logic 168 (3):738-748.
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  • Maximal pairs of c.e. reals in the computably Lipschitz degrees.Yun Fan & Liang Yu - 2011 - Annals of Pure and Applied Logic 162 (5):357-366.
    Computably Lipschitz reducibility , was suggested as a measure of relative randomness. We say α≤clβ if α is Turing reducible to β with oracle use on x bounded by x+c. In this paper, we prove that for any non-computable real, there exists a c.e. real so that no c.e. real can cl-compute both of them. So every non-computable c.e. real is the half of a cl-maximal pair of c.e. reals.
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