
Summary: We establish the completeness of root vectors for a non-selfadjoint Douglis-Nirenberg elliptic problem with an indefinite weight matrix in appropriate \(L_p\) Sobolev spaces.
transmission problem, Completeness of eigenfunctions and eigenfunction expansions in context of PDEs, Systems of elliptic equations, boundary value problems
transmission problem, Completeness of eigenfunctions and eigenfunction expansions in context of PDEs, Systems of elliptic equations, boundary value problems
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