OAI/MathematicalPhysics/DefocusingNLS/Linear/HomogeneousMatchedComplexDecomposition.lean

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The actual matched complex semigroup has a finite-rank contracting step

The step length is chosen after the proved energy decay rate. No spectral splitting or semigroup decay assumption enters this construction.

  1. theorem OAI.DefocusingNLS.radialMatched_exists_complex_step_decomposition line 21