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arxiv: 0809.2776 · v2 · submitted 2008-09-16 · 🧮 math.CO

Bounds on the frequency of 1 in the Kolakoski word

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keywords freqboundfrequencykolakoskiwordassumingboundsestablish
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We use a method of Goulden and Jackson to bound freq_1(K), the limiting frequency of 1 in the Kolakoski word K. We prove that |freq_1(K) - 1/2| <= 17/762, assuming the limit exists, and establish the semi-rigorous bound |freq_1(K) - 1/2| <= 1/46.

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