Meme: mixing 3- and 4-manifold theory to pour a glass of 3.5-dimensional topology
miniapeur · x · 2026-10-19
A math meme making the rounds: a soda fountain with taps labeled "3-manifold theory" and "4-manifold theory," with someone pressing both at once to fill a cup labeled "3.5-dimensional topology." Pure AI/math-circle humor.
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