scientific article

zbMath0923.65021MaRDI QIDQ3842439

V. I. Gorbachuk, M. L. Gorbachuk

Publication date: 3 January 1999

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Hilbert spaceBanach spaceRitz methodbest approximationselfadjoint operatoroperator equationsentire vectors of exponential typeinfinitely differentiable vectors

Mathematics Subject Classification ID

Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Numerical solutions to equations with linear operators (65J10) Equations and inequalities involving linear operators, with vector unknowns (47A50) Rate of convergence, degree of approximation (41A25) Inverse theorems in approximation theory (41A27)

Related Items (2)

Tensor Products of Approximation Spaces Associated with Regular Elliptic Operators ⋮ Interpolated scales of approximation spaces for regular elliptic operators on compact manifolds

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