Erdélyi, Tamás Remembering Peter Benjamin Borwein (May 10, 1953–August 23, 2020). (English) Zbl 07900779 J. Approx. Theory 303, Article ID 106070, 28 p. (2024). MSC: 01A70 × Cite Format Result Cite Review PDF Full Text: DOI
Erdélyi, T. George Lorentz and inequalities in approximation. (English. Russian original) Zbl 1203.41001 St. Petersbg. Math. J. 21, No. 3, 365-405 (2010); translation from Algebra Anal. 21, No. 3, 1-57 (2009). Reviewer: T. D. Narang (Amritsar) MSC: 41-02 30C15 41A17 41A63 42A05 × Cite Format Result Cite Review PDF Full Text: DOI
Erdélyi, Tamás Markov- and Bernstein-type inequalities for Müntz polynomials and exponential sums in \(L_p\). (English) Zbl 0953.41009 J. Approximation Theory 104, No. 1, 142-152 (2000). Reviewer: Wiesław Pleśniak (Kraków) MSC: 41A17 × Cite Format Result Cite Review PDF Full Text: DOI
Borwein, Peter; Erdélyi, Tamás Upper bounds for the derivative of exponential sums. (English) Zbl 0829.41013 Proc. Am. Math. Soc. 123, No. 5, 1481-1486 (1995). MSC: 41A17 × Cite Format Result Cite Review PDF Full Text: DOI
Lorentz, G. G. Notes on approximation. (English) Zbl 0678.41030 J. Approximation Theory 56, No. 3, 360-365 (1989). Reviewer: I.Szalay MSC: 41A65 41A15 × Cite Format Result Cite Review PDF Full Text: DOI
Gosselin, R. P. Nonlinear approximation using rapidly increasing functions. (English) Zbl 0593.41018 Constructive Approximation 2, 253-261 (1986). MSC: 41A30 46A11 × Cite Format Result Cite Review PDF Full Text: DOI
Verfürth, Rüdiger On the number of local best approximations by exponential sums. (English) Zbl 0487.41032 J. Approximation Theory 34, 306-323 (1982). MSC: 41A50 41A30 11L03 × Cite Format Result Cite Review PDF Full Text: DOI
Eichner, L. Existence of best nonlinear \(L_p\)-approximations. (English) Zbl 0447.41022 Numer. Funct. Anal. Optimization 2, 421-439 (1980). MSC: 41A65 41A50 41A46 34A30 × Cite Format Result Cite Review PDF Full Text: DOI
Schmidt, Eckard Chebyshev approximation with sums of logarithmic functions. (English) Zbl 0437.41024 J. Approximation Theory 26, 124-131 (1979). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Braess, Dietrich Chebyshev approximation by \(\gamma\)-polynomials. III. On the number of best approximations. (English) Zbl 0399.41019 J. Approximation Theory 24, 119-145 (1978). MSC: 41A30 41A50 41A10 × Cite Format Result Cite Review PDF Full Text: DOI
Schaback, Robert On alternation numbers in nonlinear Chebyshev approximation. (English) Zbl 0395.41013 J. Approximation Theory 23, 379-391 (1978). MSC: 41A50 41A52 × Cite Format Result Cite Review PDF Full Text: DOI
Brink-Spalink, Jan Tschebyscheff-Approximation durch \(\gamma\)-Polynome mit teilweise fixierten Frequenzen. (German) Zbl 0311.41017 J. Approximation Theory 15, 60-77 (1975). MSC: 41A50 41A30 41A10 41A20 11L03 × Cite Format Result Cite Review PDF Full Text: DOI
Braess, Dietrich On the numer of best approximations in certain non-linear families of functions. (English) Zbl 0304.41014 Aequationes Math. 12, 184-199 (1975). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Belford, Geneva G. Vector-valued approximation and its application to fitting exponential decay curves. (English) Zbl 0271.41022 Math. Comput. 28, 179-184 (1974). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Braess, Dietrich Chebyshev-approximation by \(\gamma\)-polynomials. II. (English) Zbl 0235.41008 J. Approximation Theory 11, 16-37 (1974). MSC: 41A30 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Loeb, H. L.; Wolfe, J. M. Discrete nonlinear approximation. (English) Zbl 0286.41018 J. Approximation Theory 7, 365-385 (1973). MSC: 41A45 41A30 × Cite Format Result Cite Review PDF Full Text: DOI
Schmidt, Eckard On the continuity of the set-valued exponential metric projection. (English) Zbl 0252.41014 J. Approximation Theory 7, 36-40 (1973). MSC: 41A50 41A30 × Cite Format Result Cite Review PDF Full Text: DOI
Braess, Dietrich Chebyshev approximation by exponentials on finite subsets. (English) Zbl 0238.41005 Math. Comput. 27, 327-331 (1973). MSC: 41A30 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Braess, Dietrich Chebyshev approximation by \(\gamma\)-polynomials. I. (English) Zbl 0235.41007 J. Approximation Theory 9, 20-43 (1973). MSC: 41A30 × Cite Format Result Cite Review PDF Full Text: DOI
Braess, Dietrich On a paper of C. B. Dunham concerning degeneracy in mean non-linear-approximation. (English) Zbl 0235.41006 J. Approximation Theory 9, 313-315 (1973). MSC: 41A30 × Cite Format Result Cite Review PDF Full Text: DOI
Dunham, Charles B. Approximation with respect to sums of Chebyshev norms. (English) Zbl 0251.41009 Aequationes Math. 8, 267-270 (1972). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Schmidt, Eckard Continuity theorems for Cebychev approximations with positive exponential sums. (Stetigkeitsaussagen bei der Tschebyscheff-Approximation mit positiven Exponentialsummen.) (German) Zbl 0212.09201 J. Approximation Theory 4, 13-20 (1971). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI
Schmidt, Eckard Continuity theorems for the Čebyšev approximation with exponential sums. (Stetigkeitsaussagen bei der Tschebyscheff-Approximation mit Exponentialsummen.) (German) Zbl 0187.32601 Math. Z. 113, 159-170 (1970). MSC: 41A50 × Cite Format Result Cite Review PDF Full Text: DOI EuDML