Spectral stability of higher order semi-elliptic operators

  • G. KarapetyanEmail author
  • N. Saribekyan
Differential Equations


The paper gives estimates for the variation of eigenvalues of Dirichlet problem for semielliptic operators with homogeneous boundary conditions upon variation of the boundary of the domain on which the problem is considered. Operators of arbitrary even order in each direction and open sets with Lipschitz smooth boundary are considered.


Sobolev space eigenvalue compact operator semi-elliptic operator spectrum approximation Dirichlet boundary condition 


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© Allerton Press, Inc. 2016

Authors and Affiliations

  1. 1.Russian-Armenian (Slavonic) UniversityYerevanArmenia

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