The DMP neutrino oscillation approximation is reframed as a degenerate-eigenvalue resummation that replaces a divergent parameter with a uniformly bounded one, and closed-form Jacobians for uncertainty propagation are collected.
CP and T violation in neutrino oscillations and invariance of Jarlskog’s determinant to matter effects,
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Algebraic Structure of Three-Flavor Neutrino Oscillations in Constant-Density Matter: Cayley--Hamilton Evolution, DMP Resummation, and Closed-Form Uncertainty Propagation
The DMP neutrino oscillation approximation is reframed as a degenerate-eigenvalue resummation that replaces a divergent parameter with a uniformly bounded one, and closed-form Jacobians for uncertainty propagation are collected.