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Some Results about Infinite Fibonacci Words

探討無窮Fibonacci字之有趣結果

摘要


Fibonacci字型與Fibonacci字性質已有很多有趣的結果。本篇論文將討論無窮Fibonacci字之有趣性質。

關鍵字

費波那契字 字首 字尾 平方字首

並列摘要


For all x ∈ R, define [x] = n where n ∈ Z, n≤x < n+1. For all x ∈ R, define[x]=n where n ∈ Z, n-1<x≤n. Let α=[(√5)-1]/2. Define the following two-way infinite binary words.(a) G= ...d(subscript -n)d(subscript n+1)...d(subscript -1)d(subscript 0)d(subscript 1)...d(subscript n)d(suscript n+1)..., where the nth letter d(subscript n)=[(n+1)α]-[nα], n ∈ Z.(b) H = ...e(subscript -n)e(subscript n+1)...e(subscript -1)e(subscript 0)e(subscript 1)...e(subscript n)e(subscript n+1)..., where the nth letter e(subscript n) =[(n+1)α]-[nα], n ∈ Z.Hence G and H are called two-way infinite words. In this paper, we will find all square prefixes of G(subscript m) (or H(subscript m)) for each m ∈ Z.

並列關鍵字

Fibonacci word Suffix Prefix Square prefix

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