Interpolation Theory, Function Spaces, Differential Operators

A₁ B₁ Banach spaces belongs BESOV Besov spaces boundary value bounded C-domain c₁ c₂ compact compact operators complex number consequence of Theorem considerations considered coretraction corresponding D(Am defined denotes dense domain of cone-type eigenvalues elliptic differential operators embedding operators embedding theorems equivalent norms formula function spaces Further let GRISVARD Hence Hilbert spaces Hölder spaces holds infinitesimal operator integer interpolation couple interpolation spaces interpolation theory isomorphic isomorphic mapping J. L. LIONS linear MAGENES Math method natural number obtains P₁ PEETRE positive number proof of Theorem prove pure point spectrum R₂ real numbers regular elliptic Remark replace resp restriction right-hand side Schauder basis Section self-adjoint operator semi-group sense of Definition Sobolev spaces spaces H(R spaces with weights Subsection TRIEBEL valid weight function Whence it follows yields матем