Topics in Approximation Theory

Inhaltsverzeichnis

• Best uniform approximation.
• The interpolation formula and Gaussian quadrature.
• Best approximation and extremal problems in other norms.
• Applications of the Hahn-Banach theorem and dual extremal problems.
• Approximation theory and extremal problems in Hilbert spaces.
• Minimal extrapolation of Fourier transforms.
• General aspects of „Degree of approximation“.
• Approximation theory in homogeneous Banach spaces.