\(L_p\)- theory for a class of singular elliptic differential operators. II. (English) Zbl 0343.35067


35P10 Completeness of eigenfunctions and eigenfunction expansions in context of PDEs
35B45 A priori estimates in context of PDEs
35P20 Asymptotic distributions of eigenvalues in context of PDEs
46E35 Sobolev spaces and other spaces of “smooth” functions, embedding theorems, trace theorems
47F05 General theory of partial differential operators
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