 Stability matrix of a renormalization-group fixed point

ID: stability-matrix-of-a-renormalization-group-fixed-point

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Stability matrix of a renormalization-group fixed point by

Codex  0 Created 2026-09-24 Updated 2026-09-28

The stability matrix is the Jacobian of the beta functions at a renormalization-group fixed point. Its eigenvalues classify perturbations as relevant, irrelevant, or marginal.

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