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Journal of Approximation Theory
Published by Elsevier.
ISSN 0021-9045 / 1096-0430
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Aims & scope
Journal of Approximation Theory publishes peer-reviewed research. Manuscripts pass a technical check and a scope check by the handling editor before going to independent reviewers.
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Recently published
Exact ℓ∞-separation radius of the Sobol’ sequence in dimension 2
DOI 10.1016/j.jat.2026.106356 Kosuke Suzuki · 2027
Construction and characterization of oscillatory chain sequences
DOI 10.1016/j.jat.2026.106344 Zejun Dai, Daxiong Piao, Jinglai Qiao · 2027
Optimal nonlinear approximation with exponential splines
DOI 10.1016/j.jat.2026.106347 Bassam El Rawas, Michael Unser, Rahul Parhi · 2027
The Güntürk–Thao theorem revisited: Polyhedral cones and limiting examples
DOI 10.1016/j.jat.2026.106346 Heinz H. Bauschke, Tran Thanh Tung · 2027
Editorial Board
DOI 10.1016/s0021-9045(26)00068-7 Authors not listed · 2026
Classification with shallow neural networks
DOI 10.1016/j.jat.2026.106345 Ruohan Shen, Jun Fan · 2026
A note on the Kolmogorov-type inequalities for more than three norms
DOI 10.1016/j.jat.2026.106342 O.V. Kovalenko · 2026
Exceptional Krall polynomials
DOI 10.1016/j.jat.2026.106343 A. Kasman, R. Milson · 2026
On the expressive power of deep 2D ReLU convolutional neural networks
DOI 10.1016/j.jat.2026.106332 Qin Fang, Lei Shi, Min Xu, Ding-Xuan Zhou, Qi-Hang Zhou · 2026
Bernstein-type inequalities for self-reciprocal polynomials
DOI 10.1016/j.jat.2026.106333 Aseem Dalal, N.K. Govil · 2026
A formula for the local Heun solution
DOI 10.1016/j.jat.2026.106320 Pavel Šťovíček · 2026
Editorial Board
DOI 10.1016/s0021-9045(26)00054-7 Authors not listed · 2026
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