= The geometric minimum action method: A least action principle on the space of curves by Matthias Heymann and Eric Vanden-Eijnden
{c}
{tag=Work by Matthias Heymann}
{tag=Work by Eric Vanden-Eijnden}
{title2=2008}
By <Matthias Heymann>, <Eric Vanden-Eijnden>.
https://matthiasheymann.de/Downloads/Mathematics/Papers/Matthias%20Heymann%20%E2%80%93%20gMAM%20%E2%80%93%20CPAM.pdf
Communications on Pure and Applied Mathematics 61, 1052–1117. DOI: https://doi.org/10.1002/cpa.20238 . Author-hosted PDF. Sections 1.1–1.3: action admissibility, noise convention, free-time quasipotential and geometric reformulation. Wiki uses drift a and covariance D to avoid the paper's a/b notation ambiguity; the time-reparameterization and gradient examples are explicitly derived.
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