Schmidt, Eckard; Dunham, C. B. Discontinuity of the alternating Chebyshev operator. (English) Zbl 0429.41021 Rocky Mt. J. Math. 9, 355-360 (1979). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 41A50 Best approximation, Chebyshev systems Keywords:Chebyshev operator; discontinuity; non-strong uniqueness × Cite Format Result Cite Review PDF Full Text: DOI