OAI/Geometry/RCD/Metric/HamiltonJacobiDensity.lean
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The local pointwise content of the weak Hamilton--Jacobi inequality
A compact radial cutoff and signed-density order retain the original Sobolev gradient and L2 time derivative on a strict interior ball.
- theorem
OAI.RegularPointCoordinates.hamilton_jacobi_density_of_testsline 20