Journal of Jishou University(Natural Sciences Edition) ›› 2022, Vol. 43 ›› Issue (6): 11-13.DOI: 10.13438/j.cnki.jdzk.2022.06.003

• Mathematics • Previous Articles     Next Articles

Characterizationon Function Rearrangement Class and Its Application in  Steady Vortices


  1. (Department of Mathematics,School of Computing and Information Science,Fuzhou Institute of Technology,Fuzhou 350506,China)
  • Online:2022-11-25 Published:2023-01-10

Abstract: For  characterization of rearrangement class of a given function,a simple characterization of the rearrangement class weak closure of the characteristic functions is provided.At the same time,in ideal fluids,another derivation method on the configurations of steady vortices is given.

Key words: rearrangement class, weak closure, steady vortices, measure theory

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