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Generalizing geometric nonwindowed scattering transforms on compact Riemannian manifolds

  • Albert Chua,
  • Yang Yang

摘要

We study nonwindowed geometric scattering transforms on compact Riemannian manifolds without boundary. These transforms are formulated as \({\textbf{L}}^q\) L q -norms, with \(1 < q \le 2\) 1 < q 2 , of a cascade of geometric wavelet transforms and modulus operators. We provide weighted measures for these operators, and prove that these operators are well-defined under specific conditions on the manifold, invariant to the action of isometries, and stable to diffeomorphisms for bandlimited functions.