Demonstrates preferential selection of Lorentzian signature in Ising-type models via Fisher information matrices, suggesting implications for stability analysis.
Demonstrates that sparse Fisher information matrices for Ising-type models preferentially select Lorentzian signature via a spectral gap mechanism. Proves W(q=1) > W(q>=2) for sparse matrices with explicit stability bounds.
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Max Zhuravlev (2026) studied this question.
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