Figure 5 - uploaded by Rob Burns
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Automaton for S f (2).

Automaton for S f (2).

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We provide a complete characterisation of the appearance function for paper-folding sequences for factors of any length. We make use of the software package Walnut to establish these results.

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Context 1
... automaton for S f (2) is displayed in figure 5. It shows that S f (2) = 4 when (f 0 , f 1 , f 2 ) ∈ {(−1, −1, 1), (−1, 1, −1), (1, −1, 1), (1, 1, −1)} S f (2) = 5 when (f 0 , f 1 , f 2 ) ∈ {(−1, 1, 1), (1, −1, −1)} S f (2) = 6 when (f 0 , f 1 , f 2 ) ∈ {(−1, −1, −1), (1, 1, 1)}. ...