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Fractal and hyperbolic bridge

The exact finite $E_{47}$ algebra is separated from proposed Poincaré-ball, continuum-Laplacian, recursive-tree, and multifractal interpretations in Fractals and Hyperbolic Geometry.

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Machine-verification companion

The complete computational companion to this construction is Python and Numerical Validation, including the explicit spin-2 tensor matrices, Casimir spectrum, rank-47 kernel, polynomial projector, commutator and leakage residuals, contraction spectrum, stability bound, and superseded-code audit.

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