Content stub — prose, diagrams, and Lean 4 exercises to be written.
This week covers: φ as dominant eigenvalue of the 2-bonacci recurrence. Self-similar contact structures. Connection to quasicrystals.
Primary chapter references from book/: ch9-phi.html
-- dm³ 101 · Week 09 · Lean 4 Lab -- Operator: φ (≈ 1.618 Fibonacci) -- TODO: fill in theorems and exercises -- stub example : True := trivial