Compact pseudodifferential operators whose symbol fails to be smooth with respect to x on a given set are considered. Conditions under which Weyl’s law of spectral asymptotics remains valid for such operators are obtained. The results are applied to operators with symbols such that their order of decay as |ξ| → ∞ is a nonsmooth function of x.

Original languageEnglish
Pages (from-to)313-316
Number of pages4
JournalFunctional Analysis and its Applications
Volume53
Issue number4
DOIs
StatePublished - 1 Oct 2019

    Research areas

  • bounds for singular numbers, nonsmooth symbol, pseudodifferential operator, spectral asymptotics

    Scopus subject areas

  • Analysis
  • Applied Mathematics

ID: 71278112