OAI/Geometry/EinsteinFour/LocalCoordinateMeasure.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

Transfer a local image-measure identity through measurable coordinate maps with an actual left inverse. No invariant-measure statement is assumed.

  1. theorem OAI.PositiveEinsteinFour.Geometry.measure_eq_of_map_eq_of_leftInverse_ae line 16
  2. theorem OAI.PositiveEinsteinFour.Geometry.coordinate_map_restrict line 29
  3. theorem OAI.PositiveEinsteinFour.Geometry.local_image_measure_of_coordinates line 52