description, blogger‑ready means: No LaTeX, no MathJax, no markdown math (so no $$, no \( \), no backticks, no code blocks) All equations must be in plain Unicode or HTML, like: ∂²ₜΨ − v²∇²Ψ + μΨ + λ|Ψ|²Ψ = κSΨ Formatting must be valid Blogger HTML, using only tags Blogger accepts:

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