Nonexistence of best rational approximations on subsets

DOI10.1016/0021-9045(75)90087-8zbMath0303.41023OpenAlexW2056633727MaRDI QIDQ1216576

Charles B. Dunham

Publication date: 1975

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(75)90087-8

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by rational functions (41A20) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

Related Items (2)

Chebyshev approximation by rationals with constrained denominators ⋮ Nonexistence of Best Alternating Approximations on Subsets

Cites Work

• Chebyshev approximation by first degree rationals on 2-space
• Chebyshev approximation with respect to a weight function

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