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Theoretical analysis reveals shared pushout geometry across Galois, étale, and null groupoids, indicating a unified local-to-global framework spanning arithmetic, algebra, and Lorentzian spacetime.
We show that Galois, étale, and null groupoids share the same pushout geometry, yielding a unified local-to-global structure across arithmetic, algebraic, and Lorentzian settings via a common generative nucleus.
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Shin Tamaki (2026) studied this question.
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