OAI/Geometry/SurfaceImmersion/Primitive/PeriodicCoefficientSupport.lean

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5 declarations, 0 contain sorry, 0 declared as axioms

Differentiating and forming metric coefficients preserves local zero support.

  1. lemma OAI.ClosedSurfaceR4.PeriodicExpansion.xCoefficient_zero_on line 22
  2. lemma OAI.ClosedSurfaceR4.PeriodicExpansion.yCoefficient_zero_on line 32
  3. lemma OAI.ClosedSurfaceR4.PeriodicExpansion.xxQuadratic_zero_on line 37
  4. lemma OAI.ClosedSurfaceR4.PeriodicExpansion.xyQuadratic_zero_on line 47
  5. lemma OAI.ClosedSurfaceR4.PeriodicExpansion.yyQuadratic_zero_on line 57