Bernoulli's brachistochrone problem — The Gauge Path
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Bernoulli's brachistochrone problem (Theorem) in The Gauge Path. Era: 1696. Formula: cycloid: x = r(θ − sin θ), y = r(1 − cos θ). Origin axiom of path: Lagrangian. Modern reach: Minkowski space · De Sitter space · AdS/CFT · ER=EPR · Holographic condensed matter.