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Prouhet-Thue-Morse Research 6: Extended Equivalence

2026-05-18

  1. Foundations & Binary Numeric Definitions

  2. Binary Definitions - Textual & Sequential

  3. Binary Definitions - Others

  4. Binary Equivalence

  5. Extending the Alphabet

  6. Extended Equivalence (you are here)

  7. Property Preservation

  8. Complexity and Honorable Mentions

Introduction

Proving Equivalence Between Extended Definitions

Correlating Definition 1 and Definition 2

\[ \begin{align}\begin{aligned}\begin{proof} \par\noindent\par \textbf{Observation 1}: For all integers $n$, $\omega_s^n = \omega_s^{n \; \mod{s}}$\\ \textbf{Inference 1}: $\dfrac{\log(\omega_s^n)}{\log(\omega_s)} = n \; \mod{s}$\\\begin{split} \textbf{Conclusion}: \begin{equation} \begin{aligned} T_{n,2}(x, s) &= \dfrac{\log(\omega_s^{p_s(x)})}{\log(\omega_s)} \\ &= \dfrac{(p_s(x) \; \mod{s}) \cdot \log(\omega_s)}{\log(\omega_s)} \\ &= \dfrac{(p_s(x) \; \mod{s}) \cdot 2i\pi s^{-1}}{2i\pi s^{-1}} \\ &= p_s(x) \; \mod{s} \\ &= T_{n,1}(x, s) \end{aligned} \end{equation} \end{proof}\end{split}\end{aligned}\end{align} \]

Correlating Definition 4 and Definition 8

\[ \begin{align}\begin{aligned}\begin{proof} \par\noindent\par \textbf{Observation 1}: For any given row of $L(N)$, it will start with the index of the row\\ \textbf{Observation 2}: For any given row of $L(N)$, it will end with 1 less than the index of the row $\pmod{N}$\\ \textbf{Inference 1}: $L(N)_{x,*} = r(b(N), x)$\\ \textbf{Observation 3}: $T_{n,4}$ is defined as substituting $r(b(N),x)$ for each element $x$ in the previous iteration\\ \textbf{Conclusion}: $T_{n,4} = T_{n,8}$ \end{proof}\end{aligned}\end{align} \]

Citations

Cite As

Click here to expand the bibtex entry.
@online{appleton_blog_0018,
  title    = { Prouhet-Thue-Morse Research 6: Extended Equivalence },
  author   = { Olivia Appleton-Crocker },
  editor   = { Ultralee0 and Ruby },
  language = { English },
  version  = { 1 },
  date     = { 2026-05-18 },
  url      = { https://blog.oliviaappleton.com/posts/0019-thue-morse-06 }
}

Tags: math, hobby-horse

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