DiscoverAnalysis on Graphs and its ApplicationsSome spectral problems for non-selfadjoint operators
Some spectral problems for non-selfadjoint operators

Some spectral problems for non-selfadjoint operators

Update: 2022-01-30
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We consider abstract Dirichlet-to-Neumann operators (M-functions) for non-selfadjoint operators in an abstract setting. We prove that isolated eigenvalues of an operator correspond to poles of the associated M-function and show that second order elliptic PDEs in smooth domains satisfying fairly general boundary conditions fit into our framework.
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Some spectral problems for non-selfadjoint operators

Some spectral problems for non-selfadjoint operators

Peter Dubec