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Conference Papers Year : 2019

Two Characterizations of Finite-State Dimension

Abstract

In this paper we provide two equivalent characterizations of the notion of finite-state dimension introduced by Dai, Lathrop, Lutz and Mayordomo (2004). One of them uses Shannon's entropy of non-aligned blocks and generalizes old results of Pillai (1940) and Niven-Zuckerman (1951). The second characterizes finite-state dimension in terms of superadditive functions that satisfy some calibration condition (in particular, superadditive upper bounds for Kolmogorov complexity). The use of superadditive bounds allows us to prove a general sufficient condition for normality that easily implies old results of Champernowne (1933), Besicovitch (1935), Copeland and Erdös (1946), and also a recent result of Calude, Staiger and Stephan (2016).
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Dates and versions

lirmm-02337412 , version 1 (29-10-2019)

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Alexander Kozachinskiy, Alexander Shen. Two Characterizations of Finite-State Dimension. FCT 2019 - 22nd International Symposium on Fundamentals of Computation Theory, Aug 2019, Copenhagen, Denmark. pp.80-94, ⟨10.1007/978-3-030-25027-0_6⟩. ⟨lirmm-02337412⟩
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