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Heat-flow monotonicity of Strichartz norms

Authors
  • Bennett, Jonathan
  • Bez, Neal
  • Carbery, Anthony
  • Hundertmark, Dirk
Type
Preprint
Publication Date
Sep 27, 2008
Submission Date
Sep 27, 2008
Source
arXiv
License
Yellow
External links

Abstract

Most notably we prove that for $d=1,2$ the classical Strichartz norm $$\|e^{i s\Delta}f\|_{L^{2+4/d}_{s,x}(\mathbb{R}\times\mathbb{R}^d)}$$ associated to the free Schr\"{o}dinger equation is nondecreasing as the initial datum $f$ evolves under a certain quadratic heat-flow.

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