OAI/Geometry/RCD/Sobolev/SobolevMultiplierProduct.lean

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The product Laplacian in bounded-multiplier form

This form keeps all three terms in the original L2 space, which permits exact self-adjointness calculations for the heat-bridge second variation.

  1. theorem OAI.RegularPointCoordinates.weakLaplacian_inner_comm line 19
  2. theorem OAI.RegularPointCoordinates.sobolev_product_toLp_multiplier line 30
  3. theorem OAI.RegularPointCoordinates.weakLaplacian_product_multiplier line 41