Journal of Approximation Theory

Article	Citations
A statistical learning assessment of Huber regression	27
A novel class of stabilized greedy kernel approximation algorithms: Convergence, stability and uniform point distribution	21
Smoothness of subspace sections of the unit balls of C	10
Approximation of functions with small mixed smoothness in the uniform norm	9
Alternating projections, remotest projections, and greedy approximation	9
Spectra of a class of Cantor–Moran measures with three-element digit sets	9
Multiple orthogonal polynomials associated with confluent hypergeometric functions	8
Stable high-order randomized cubature formulae in arbitrary dimension	8
On the Borel summability of WKB solutions of certain Schrödinger-type differential equations	7
Approximation properties of periodic multivariate quasi-interpolation operators	6
Asymptotic correlations with corrections for the circular Jacobi β-ens	6
On the Widom factors for Lp	6
Norm estimates for Chebyshev polynomials, I	6
Recovery guarantees for polynomial coefficients from weakly dependent data with outliers	6
s-Numbers of embeddings of weighted Wiener algebras	5
Asymptotic behavior of Christoffel–Darboux kernel via three-term recurrence relation II	5
Nonlinear steepest descent approach to orthogonality on elliptic curves	5
Reconstruction of functions from prescribed proximal points	5
Weighted embeddings for function spaces associated with Hermite expansions	4
The differential equation for Jacobi–Sobolev orthogonal polynomials with two linear perturbutions	4
Uniformly bounded Lebesgue constants for scaled cardinal interpolation with Matérn kernels	4
Approximation theorems on graphs	4
Asymptotic behavior of orthogonal polynomials. Singular critical case	4
Hermite–Padé approximation and integrability	4
Kolmogorov widths of weighted Sobolev classes on a multi-dimensional domain with conditions on the derivatives of order 4

Asymptotically optimal cubature formulas on manifolds for prefixed weights	4
On the representing measures of Dunkl’s intertwining operator	4
On the spacing of zeros of paraorthogonal polynomials for singular measures	4
Factorization of Hermite subdivision operators from polynomial over-reproduction	4
An intersection representation for a class of anisotropic vector-valued function spaces	4
Sparse approximation of individual functions	3
Bilinear Fourier multipliers and the rate of decay of their derivatives	3
Matrix-valued orthogonal polynomials related to hexagon tilings	3
Approximation rate in Wasserstein distance of probability measures on the real line by deterministic empirical measures	3
Quasi-uniform designs with optimal and near-optimal uniformity constant	3
About families of orthogonal polynomials satisfying Heun’s differential equation	3
Approximation error for neural network operators by an averaged modulus of smoothness	3
On Gaussian kernels on Hilbert spaces and kernels on hyperbolic spaces	3
Kernel gradient descent algorithm for information theoretic learning	3
Asymptotics of sharp constants in Markov–Bernstein–Nikolskii type inequalities with exponential weights	3
Negative results in coconvex approximation of periodic functions	3
On(β,γ)	3
A simple upper bound for Lebesgue constants associated with Leja points on the real line	3
Error bounds for the method of simultaneous projections with infinitely many subspaces	3
Chebyshev unions of planes, and their approximative and geometric properties	3
A class of Sobolev orthogonal polynomials on the unit circle and associated continuous dual Hahn polynomials: Bounds, asymptotics and zeros	3
On the asymptotic behavior of Jacobi polynomials with first varying parameter	3
The Lebesgue constants for Leja points are subexponential	3
Localization for random CMV matrices	2
“Near-best” polynomial approximation of harmonic functions on compact sets in ℂ	2
Chebyshev polynomials in the 16th century	2
Bernstein–Szegő inequality for trigonometric polynomials in	2
Estimates of entropy for multiplier operators of systems of orthonormal functions	2
A note on K-functional, Modulus of smoothness, Jackson theorem and Ber	2
Extremal polynomials on a Jordan arc	2
Signal separation under coherent dictionaries and ℓ	2
Markov-type inequalities and extreme zeros of orthogonal polynomials	2
Approximation, Gelfand, and Kolmogorov numbers of Schatten class embeddings	2
Entropy function and orthogonal polynomials	2
Explicit expressions and computational methods for the Fortet–Mourier distance of positive measures to finite weighted sums of Dirac measures	2
Geometric computation of Christoffel functions on planar convex domains	2
Asymptotic behavior and zeros of the Bernoulli polynomials of the second kind	2
Turán’s inequality, nonnegative linearization and amenability properties for associated symmetric Pollaczek polynomials	2
Randomized weakly admissible meshes	2
Fourier–Zernike series of compactly supported convolutions on S	2
About essential spectra of unbounded Jacobi matrices	2
Extended best Lp	2
Codimension 1 minimal projections onto the lines in L	2
Bernstein inequality on conic domains and triangles	2
Concentration inequalities for cross-validation in scattered data approximation	2
Measure of noncompactness of Sobolev embeddings on strip-like domains	2
Distributed learning and distribution regression of coefficient regularization	2
Intertwining operator associated to symmetric groups and summability on the unit sphere	1
Approximating properties of metric and generalized metric projections in uniformly convex and uniformly smooth Banach spaces	1
An approximate functional equation for the Riemann zeta function with exponentially decaying error	1

Orthogonal polynomials for self-dual weights	1
Random sections of ℓp	1
Approximation by sums of shifts and dilations of a single function and neural networks	1
Variations of property (A) constants and Lebesgue-type inequalities for the weak thresholding greedy algorithms	1
Wavelet characterization of Triebel–Lizorkin spaces for p	1
Rational approximation and Sobolev-type orthogonality	1
Sign intermixing for Riesz bases and frames measured in the Kantorovich–Rubinstein norm	1
Sharp Lp	1
Besov spaces with generalized smoothness and summability of multiple Fourier series	1
Density results and trace operator in weighted Sobolev spaces defined on the half-line, equipped with power weights	1
Asymptotic distribution of the zeros of recursively defined non-orthogonal polynomials	1
Triebel–Lizorkin regularity and bi-Lipschitz maps: Composition operator and inverse function regularity	1
Asymptotics for orthogonal polynomials and separation of their zeros	1
Absorbing–reflecting factorizations for birth–death chains on the integers and their Darboux transformations	1
On modular approximants in sequential convergence spaces	1
On C. Michel’s hypothesis about the modulus of typically real polynomials	1
Strong uniqueness and alternation theorems for relative Chebyshev centers	1
A superposition theorem of Kolmogorov type for bounded continuous functions	1
Multidimensional intertwining Leja sequences and applications in bidimensional Lagrange interpolation	1
On convergence of derivatives of Voronovskaja-type expansion for Bernstein type operators	1
Absolute minima of potentials of certain regular spherical configurations	1
Estimates of linear expressions through factorization	1
A CMV connection between orthogonal polynomials on the unit circle and the real line	1
Stability of Fredholm properties on interpolation Banach spaces	1
Complex spherical designs from group orbits	1
New examples of Krall–Meixner and Krall–Hahn polynomials, with applications to the construction of exceptional Meixner and Laguerre polynomials	1
Hard edge statistics of products of Pólya ensembles and shifted GUE’s	1
Optimal dual quantizers of 1D	1
On sparse recovery algorithms in unions of orthonormal bases	1
The hard-to-soft edge transition: Exponential moments, central limit theorems and rigidity	1
On the condition number of Newton interpolation: Chebyshev points and monotonically ordering	1
Discrete harmonic analysis associated with Jacobi expansions III: The Littlewood–Paley–Stein	1
Exact L2	1
Bispectrality of Meixner type polynomials	1
A modified Christoffel function and its asymptotic properties	1
Harmonic analysis of little q-Legendre polynomials	1
On the optimal constants in the two-sided Stechkin inequalities	1
Inradius of random lemniscates	1
Exact order of pointwise estimates for polynomial approximation with Hermite interpolation	1
Compactness interpolation results for bilinear operators of convolution type and for operators of product type	1
Chebyshev polynomials corresponding to a vanishing weight	1
Laurent skew orthogonal polynomials and related symplectic matrices	1
Solutions to inverse moment estimation problems in dimension 2, using best constrained approximation	1
A matrix version of a higher-order Szegő theorem	1
The matching condition for larger size Riemann–Hilbert problems	1
Theorems of Szegö–Verblunsky type in the multivariate and almost periodic settings	1
Series representations of the Volterra function and the Fransén–Robinson constant	1
Fast rates of minimum error entropy with heavy-tailed noise	1
Christoffel functions for multiple orthogonal polynomials	1
Constants of strong uniqueness of minimal projections onto some n-dimensional subspaces of	1
Approximation by linear combinations of translates in invariant Banach spaces of tempered distributions via Tauberian conditions	1
Density order of Parseval wavelet frames from extension principles	1
Multiplicity of zeros of polynomials	1
Gap probability for products of random matrices in the critical regime	1
Counterexamples in isometric theory of symmetric and greedy bases	0
On some measures of non-compactness associated to Banach operator ideals	0
Editorial Board	0
Spectral properties of a class of Moran measures on 0
Editorial Board	0
Compact cubic splines	0
Editorial Board	0
On maximal autocorrelations of Rudin–Shapiro sequences	0
A family of orthogonal polynomials corresponding to Jacobi matrices with a trace class inverse	0
Editorial Board	0
Asymptotic analysis of a family of Sobolev orthogonal polynomials related to the generalized Charlier polynomials	0
In Memoriam: Peter Benjamin Borwein (1953–2020)	0
Some aspects of the Bergman and Hardy spaces associated with a class of generalized analytic functions	0
Editorial Board	0
Sequences of dilations and translations equivalent to the Haar system in	0
Onesided, intertwining, positive and copositive polynomial approximation with interpolatory constraints	0
On some identities for confluent hypergeometric functions and Bessel functions	0
An asymptotic development of the Poisson integral for Laguerre polynomial expansions	0
Editorial Board	0
Editorial Board	0
Bernstein-type constants for approximation of |	0
Editorial Board	0
Cosine polynomials with restrictions on their algebraic representation	0
Proximinality and uniformly approximable sets in L	0
Richard S. Varga October 9, 1928 – February 25, 2022	0
Analytical study of the pantograph equation using Jacobi theta functions	0

Editorial Board	0
On L0
Wavelet characterization of exponentially weighted Besov space with dominating mixed smoothness and its application to function approximation	0
Extremal polynomials on the n-grid	0
A note on sharp multivariate Bernstein- and Markov-type inequalities	0
Editorial	0
Alternation points, weights and orthogonal polynomials	0
Mean convergence of Lagrange interpolation	0
Editorial Board	0
Positivity of Turán determinants for orthogonal polynomials II	0
Infinite-dimensional integration and L	0
In memory of Peter Borwein	0
Approximating the pth root by composite rational functions	0
Polynomial approximation on disjoint segments and amplification of approximation	0
Is hyperinterpolation efficient in the approximation of singular and oscillatory functions?	0
Editorial Board	0
Coefficient-based regularized distribution regression	0
The upper bound for the Lebesgue constant for Lagrange interpolation in equally spaced points of the triangle	0
Bispectral dual Hahn polynomials with an arbitrary number of continuous parameters	0
Bump functions with monotone Fourier transforms satisfying decay bounds	0
Peter Borwein: A philosopher’s mathematician	0
Orthogonal polynomial projection error in Dunkl–Sobolev norms in the ball	0
Estimates of Lebesgue constants for Lagrange interpolation processes by rational functions under mild restrictions to their fixed poles	0
Non-compact embeddings of Sobolev spaces	0
Editorial Board	0
On dynamics of asymptotically minimal polynomials	0
H-sets for kernel-based spaces	0
Existence and uniqueness of s-curve segments of tensioned elastica satisfying geometric Hermite interpolation conditions	0
Editorial Board	0
Orthonormal expansions for translation-invariant kernels	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Orthogonal polynomials in weighted Bergman spaces	0
Editorial Board	0
Estimates for the modulus of continuity in the Jacobi frame	0
The norm of the Cesàro operator minus the identity and related operators acting on decreasing sequences	0
The derivatives of the heat kernel on complete manifolds	0
The sharp Landau–Kolmogorov inequality for the set ‖	0
Editorial Board	0
Telescoping continued fractions for the error term in Stirling’s formula	0
Editorial Board	0
Nonlinear approximation of high-dimensional anisotropic analytic functions	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Littlewood–Paley–Rubio de Francia inequality for unbounded Vilenkin systems	0
Lagrange interpolation polynomials for Laguerre-type weights	0
In memory of Peter Borwein	0
WITHDRAWN: A canonical transform for strengthening the local L	0
Editorial Board	0
Editorial Board	0
Multivariate polynomial splines on generalized oranges	0
Kolmogorov widths of an intersection of a family of balls in a mixed norm	0
Onesided Korovkin approximation	0
A dual-type problem to Christoffel function	0
Editorial Board	0
Comonotone approximation of periodic functions	0
Spectral decomposition of H<	0
Stable decomposition of homogeneous Mixed-norm Triebel–Lizorkin spaces	0
Editorial Board	0
On planar polynomial geometric interpolation	0
The Landau–Kolmogorov problem on a finite interval in the Taikov case	0
Remembering Peter Benjamin Borwein (May 10, 1953–August 23, 2020)	0
On a conjecture concerning interpolation by bivariate Bernstein polynomials	0
Gaussian quadrature formulae are strongly asymptotically optimal for a class of infinitely differentiable functions	0
The alternating simultaneous Halpern–Lions–Wittmann–Bauschke algorithm for finding the best approximation pair for two disjoint intersections of convex sets	0
Explicit bounds for even moments of Bernstein’s polynomials	0
Approximating the derivative of manifold-valued functions	0
Sharp Lp	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Convergence rate for weighted polynomial approximation on the real line	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Quarklet characterizations for Triebel–Lizorkin spaces	0
The Lp	0
Editorial Board	0
Log-concavity of B-splines	0
On semi-classical weight functions on the unit circle	0
Uniformly convergent Fourier series with universal power parts on closed subsets of measure zero	0
Remembering Peter Benjamin Borwein (May 10, 1953–August 23, 2020)	0
Sequences of m-term deviations in Hilbert space	0
On the condition of cubic B-splines	0
Editorial Board	0
Corrigendum to “Strong uniqueness and alternation theorems for relative Chebyshev centers” [J. Approx. Theory, 293 (2023) 105917]	0
Weighted estimates for Hermite pseudo-multipliers with rough symbols	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Boundary value problems of potential theory for the exterior ball and the approximation and ergodic behaviour of the solutions	0