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19 January 2025
 
  » arxiv » 2301.00506

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Unconditional uniqueness and non-uniqueness for Hardy-Hénon parabolic equations
Noboru Chikami ; Masahiro Ikeda ; Koichi Taniguchi ; Slim Tayachi ;
Date 2 Jan 2023
AbstractWe study the problems of uniqueness for Hardy-Hénon parabolic equations, which are semilinear heat equations with the singular potential (Hardy type) or the increasing potential (Hénon type) in the nonlinear term. To deal with the Hardy-Hénon type nonlinearities, we employ weighted Lorentz spaces as solution spaces. We prove unconditional uniqueness and non-uniqueness, and we establish uniqueness criterion for Hardy-Hénon parabolic equations in the weighted Lorentz spaces. The results extend the previous works on the Fujita equation and Hardy equations in Lebesgue spaces.
Source arXiv, 2301.00506
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