Approximate solutions of problems involving normal operators

DOI10.1016/0022-247X(87)90086-2zbMath0635.47009OpenAlexW2073715840MaRDI QIDQ1097485

B. George

Publication date: 1987

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0022-247x(87)90086-2

zbMATH Keywords

approximate solutionssemigroupsresolventsa priori error estimatesunbounded normal operator

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Spectrum, resolvent (47A10) Numerical solutions to equations with linear operators (65J10) Equations and inequalities involving linear operators, with vector unknowns (47A50)

Related Items (1)

METHOD OF APPROXIMATE INVERSE FOR SOLVING EQUATIONS IN HILBERT SPACES

Cites Work

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• On the convergence of successive approximations for an integral equation in a Green's function approach to the Dirichlet problem
• On the approximate solution of elliptic, self adjoint boundary value problems
• Approximate Green's functions and the solution of related integral equations
• Operators of minimal norm via modified Green's functions
• On equivalent norms and the contraction mapping principle
• On modified Green functions in exterior problems for the Helmholtz equation
• Approximation to inverses of normal operators

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