tau day people: stop, for the love of this brittle symbolic system, already, please: https://en.wikipedia.org/wiki/Half-period_ratio …pic.twitter.com/leNqLwus0b
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@liverbubble I chalked things in the Stata center with crude drawings of the Dedekind tessellation and j(τ) = j((aτ+b)/(cτ+d))