Digital Sums and Divide-and-Conquer Recurrences: Fourier Expansions and Absolute Convergence Peter J. GrabnerHsien-Kuei Hwang OriginalPaper 24 March 2004 Pages: 149 - 179
An Extension of an Inequality of Duffin and Schaeffer Geno Nikolov OriginalPaper 16 July 2004 Pages: 181 - 191
Uncertainty Principles for Sturm–Liouville Operators Zhongkai LiLimin Liu OriginalPaper 03 March 2004 Pages: 193 - 205
A Characterization of Best φ-Approximants with Applications to Multidimensional Isotonic Approximation F.D. MazzoneH.H. Cuenya OriginalPaper 10 August 2004 Pages: 207 - 223
On a Uniform Treatment of Darboux’s Method R. WongYu-Qiu Zhao OriginalPaper 24 March 2004 Pages: 225 - 255
Greedy-Type Approximation in Banach Spaces and Applications V. N. Temlyakov OriginalPaper 15 June 2004 Pages: 257 - 292