On the unicity in simultaneous approximation by algebraic polynomials

DOI10.1016/0021-9045(76)90011-3zbMath0343.41025OpenAlexW2076382034MaRDI QIDQ1232653

E. Kimchi, N. Richter-Dyn

Publication date: 1976

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

Full work available at URL: https://doi.org/10.1016/0021-9045(76)90011-3

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10)

Cites Work

• Nonuniqueness of simultaneous approximation by algebraic polynomials
• Approximation by polynomials with restricted ranges of their derivatives
• Uniqueness of best approximation by monotone polynomials
• A Unified Approach to Uniform Real Approximation by Polynomials with Linear Restrictions