Journal of Approximation Theory

Article	Citations
Identification of anisotropic mixed-norm Hardy spaces and certain homogeneous Triebel–Lizorkin spaces	22
A novel class of stabilized greedy kernel approximation algorithms: Convergence, stability and uniform point distribution	17
Properties of moduli of smoothness inL	16
A statistical learning assessment of Huber regression	12
Sampling, Marcinkiewicz–Zygmund inequalities, approximation, and quadrature rules	12
Smoothness of subspace sections of the unit balls of C	9
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	7
Asymptotics of the generalized Gegenbauer functions of fractional degree	6
On the Borel summability of WKB solutions of certain Schrödinger-type differential equations	6
Stable high-order randomized cubature formulae in arbitrary dimension	6
Sharp constants of approximation theory. III. Certain polynomial inequalities of different metrics on convex sets	6
Exact asymptotic volume and volume ratio of Schatten unit balls	6
Recovery guarantees for polynomial coefficients from weakly dependent data with outliers	6
Hermite pseudo-multipliers on new Besov and Triebel–Lizorkin spaces	5
Polynomial approximation in several variables	5
Nonlinear steepest descent approach to orthogonality on elliptic curves	5
Optimal local embeddings of Besov spaces involving only slowly varying smoothness	5
Differential equations for the recurrence coefficients limits for multiple orthogonal polynomials from a Nevai class	5
s-Numbers of embeddings of weighted Wiener algebras	5
On the Widom factors forLp	5
Norm estimates for Chebyshev polynomials, I	5
Approximation properties of periodic multivariate quasi-interpolation operators	5
A higher order Faber spline basis for sampling discretization of functions	5

Asymptotic correlations with corrections for the circular Jacobi β-ens	5
An intersection representation for a class of anisotropic vector-valued function spaces	4
Reconstruction of functions from prescribed proximal points	4
Kolmogorov widths of weighted Sobolev classes on a multi-dimensional domain with conditions on the derivatives of order 4
Factorization of Hermite subdivision operators from polynomial over-reproduction	4
An asymptotic holomorphic boundary problem on arbitrary open sets in Riemann surfaces	4
Asymptotic behavior of Christoffel–Darboux kernel via three-term recurrence relation II	4
Multiple orthogonal polynomials associated with confluent hypergeometric functions	4
Multiply monotone functions for radial basis function interpolation: Extensions and new kernels	4
Asymptotically optimal cubature formulas on manifolds for prefixed weights	4
On the representing measures of Dunkl’s intertwining operator	4
Corrigendum on the proof of completeness for exceptional Hermite polynomials	4
Uniformly bounded Lebesgue constants for scaled cardinal interpolation with Matérn kernels	4
On(β,γ)	3
Supercritical regime for the kissing polynomials	3
Pólya-type criteria for conditional strict positive definiteness of functions on spheres	3
Kernel gradient descent algorithm for information theoretic learning	3
Asymptotic behavior of orthogonal polynomials. Singular critical case	3
Entropy numbers of compact embeddings of smoothness Morrey spaces on bounded domains	3
The essential spectrum of canonical systems	3
Zero spacings of paraorthogonal polynomials on the unit circle	3
The differential equation for Jacobi–Sobolev orthogonal polynomials with two linear perturbutions	3
The Lebesgue constants for Leja points are subexponential	3
Approximation theorems on graphs	3
Bilinear Fourier multipliers and the rate of decay of their derivatives	3
Holomorphic functions with universal boundary behaviour	3
Approximation rate in Wasserstein distance of probability measures on the real line by deterministic empirical measures	3
Asymptotics of sharp constants in Markov–Bernstein–Nikolskii type inequalities with exponential weights	3
Sharp Hardy’s inequality for Jacobi and symmetrized Jacobi trigonometric expansions	3
Interpolation by generalized exponential sums with equal weights	3
On the spacing of zeros of paraorthogonal polynomials for singular measures	3
About families of orthogonal polynomials satisfying Heun’s differential equation	3
Sparse approximation of individual functions	3
Matrix-valued orthogonal polynomials related to hexagon tilings	3
The spectral matrices associated with the stochastic Darboux transformations of random walks on the integers	3
Approximative compactness of linear combinations of characteristic functions	3
Simultaneous zero-free approximation and universal optimal polynomial approximants	3
A class of Sobolev orthogonal polynomials on the unit circle and associated continuous dual Hahn polynomials: Bounds, asymptotics and zeros	3
Weighted embeddings for function spaces associated with Hermite expansions	3
Negative results in coconvex approximation of periodic functions	3
Absolute minima of potentials of certain regular spherical configurations	2
On the asymptotic behavior of Jacobi polynomials with first varying parameter	2
On the optimal relationships between L<	2
Bernstein–Szegő inequality for trigonometric polynomials in	2
A continuous function with universal Fourier series on a given closed set of Lebesgue measure zero	2
Geometric computation of Christoffel functions on planar convex domains	2
Distributed learning and distribution regression of coefficient regularization	2
Markov-type inequalities and extreme zeros of orthogonal polynomials	2
Bounds on autocorrelation coefficients of Rudin–Shapiro polynomials II	2
Entropy function and orthogonal polynomials	2

Bernstein inequality on conic domains and triangles	2
A simple upper bound for Lebesgue constants associated with Leja points on the real line	2
Asymptotic behavior and zeros of the Bernoulli polynomials of the second kind	2
On Gaussian kernels on Hilbert spaces and kernels on hyperbolic spaces	2
Atomic norm minimization for decomposition into complex exponentials and optimal transport in Fourier domain	2
Fourier–Zernike series of compactly supported convolutions on S	2
Corrigendum to the papers on Exceptional orthogonal polynomials: J. Approx. Theory 182 (2014) 29–58, 184 (2014) 176–208 and 214 (2017) 9–48	2
Extended best Lp	2
Explicit expressions and computational methods for the Fortet–Mourier distance of positive measures to finite weighted sums of Dirac measures	2
Estimates of entropy for multiplier operators of systems of orthonormal functions	2
Error bounds for the method of simultaneous projections with infinitely many subspaces	2
A retrospective on research visits of Paul Butzer’s Aachen research group to North America and Western Europe	2
Measure of noncompactness of Sobolev embeddings on strip-like domains	2
Solutions to inverse moment estimation problems in dimension 2, using best constrained approximation	1
Local limits for orthogonal polynomials for varying measures via universality	1
Average case weighted L2	1
Density results and trace operator in weighted Sobolev spaces defined on the half-line, equipped with power weights	1
Dimension independent Bernstein–Markov inequalities in Gauss space	1
Optimal dual quantizers of 1D	1
Extremal problems for polynomials with real roots	1
About essential spectra of unbounded Jacobi matrices	1
Absorbing–reflecting factorizations for birth–death chains on the integers and their Darboux transformations	1
“Near-best” polynomial approximation of harmonic functions on compact sets in ℂ	1
Discrete harmonic analysis associated with Jacobi expansions III: The Littlewood–Paley–Stein	1
On the condition number of Newton interpolation: Chebyshev points and monotonically ordering	1
On the error in transfinite interpolation by low-rank functions	1
New examples of Krall–Meixner and Krall–Hahn polynomials, with applications to the construction of exceptional Meixner and Laguerre polynomials	1
On convergence of derivatives of Voronovskaja-type expansion for Bernstein type operators	1
Rational approximation and Sobolev-type orthogonality	1
Wavelet characterization of Triebel–Lizorkin spaces for p	1
Signal separation under coherent dictionaries and ℓ	1
Intertwining operator associated to symmetric groups and summability on the unit sphere	1
Laurent skew orthogonal polynomials and related symplectic matrices	1
Randomized weakly admissible meshes	1
An interpolatory view of polynomial least squares approximation	1
The hard-to-soft edge transition: Exponential moments, central limit theorems and rigidity	1
Sign intermixing for Riesz bases and frames measured in the Kantorovich–Rubinstein norm	1
On the optimal constants in the two-sided Stechkin inequalities	1
The matching condition for larger size Riemann–Hilbert problems	1
Exact order of pointwise estimates for polynomial approximation with Hermite interpolation	1
A note on K-functional, Modulus of smoothness, Jackson theorem and Ber	1
Orthogonal polynomials for self-dual weights	1
Bispectrality of Meixner type polynomials	1
A matrix version of a higher-order Szegő theorem	1
Asymptotics for orthogonal polynomials and separation of their zeros	1
Series representations of the Volterra function and the Fransén–Robinson constant	1
Random sections of ℓp	1
Extremal polynomials on a Jordan arc	1
Calculating the spectral factorization and outer functions by sampling-based approximations—Fundamental limitations	1
Corrigendum to “Strong estimates of the weighted simultaneous approximation by the Bernstein and Kantorovich operators and their iterated Boolean sums” [J. Approx. Theory 200 (2015) 92–135]	1
Fast rates of minimum error entropy with heavy-tailed noise	1
Sharp Lp	1
Codimension 1 minimal projections onto the lines in L	1
Bivariate semialgebraic splines	1
Stability of Fredholm properties on interpolation Banach spaces	1
Approximation, Gelfand, and Kolmogorov numbers of Schatten class embeddings	1
Exact L2	1
Multidimensional intertwining Leja sequences and applications in bidimensional Lagrange interpolation	1
Concentration inequalities for cross-validation in scattered data approximation	1
A CMV connection between orthogonal polynomials on the unit circle and the real line	1
Fourier–Laplace transforms and orthogonal polynomials	1
Chebyshev polynomials in the 16th century	1
Constants of strong uniqueness of minimal projections onto some n-dimensional subspaces of	1
Asymptotic distribution of the zeros of recursively defined non-orthogonal polynomials	1
Turán’s inequality, nonnegative linearization and amenability properties for associated symmetric Pollaczek polynomials	1
Compactness interpolation results for bilinear operators of convolution type and for operators of product type	1
Editorial Board	0
Corrigendum to “Supercritical regime for the Kissing polynomials” [J. Approx. Theory 255 (2020) 105408]	0
Editorial Board	0
An extremal composition operator on the Hardy space of the bidisk with small approximation numbers	0
Editorial Board	0
An approximate functional equation for the Riemann zeta function with exponentially decaying error	0
Editorial Board	0
Explicit bounds for even moments of Bernstein’s polynomials	0
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Asymptotic analysis of a family of Sobolev orthogonal polynomials related to the generalized Charlier polynomials	0
The derivatives of the heat kernel on complete manifolds	0
Editorial Board	0
Approximating the derivative of manifold-valued functions	0
WITHDRAWN: A canonical transform for strengthening the local L	0

Onesided Korovkin approximation	0
Editorial Board	0
On a conjecture concerning interpolation by bivariate Bernstein polynomials	0
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Multiplicity of zeros of polynomials	0
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Approximating the pth root by composite rational functions	0
Localization for random CMV matrices	0
A note on sharp multivariate Bernstein- and Markov-type inequalities	0
Stable decomposition of homogeneous Mixed-norm Triebel–Lizorkin spaces	0
Boundary value problems of potential theory for the exterior ball and the approximation and ergodic behaviour of the solutions	0
A modified Christoffel function and its asymptotic properties	0
Approximation by sums of shifts and dilations of a single function and neural networks	0
H-sets for kernel-based spaces	0
On planar polynomial geometric interpolation	0
Editorial Board	0
Sharp Lp	0
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Theorems of Szegö–Verblunsky type in the multivariate and almost periodic settings	0
Sharp approximation theorems and Fourier inequalities in the Dunkl setting	0
On alternative quantization for doubly weighted approximation and integration over unbounded domains	0
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Alternation points, weights and orthogonal polynomials	0
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The Landau–Kolmogorov problem on a finite interval in the Taikov case	0
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Bracketing numbers of convex and m-monotone functions on polytopes	0
Sequences of m-term deviations in Hilbert space	0
Bump functions with monotone Fourier transforms satisfying decay bounds	0
Editorial Board	0
Strong uniqueness and alternation theorems for relative Chebyshev centers	0
Cosine polynomials with restrictions on their algebraic representation	0
On the condition of cubic B-splines	0
Sequences of dilations and translations equivalent to the Haar system in	0
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Coefficient-based regularized distribution regression	0
On L0
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A dual-type problem to Christoffel function	0
Counterexamples in isometric theory of symmetric and greedy bases	0
A superposition theorem of Kolmogorov type for bounded continuous functions	0
On some measures of non-compactness associated to Banach operator ideals	0
Littlewood–Paley–Rubio de Francia inequality for unbounded Vilenkin systems	0
A representation problem for smooth sums of ridge functions	0
Wavelet characterization of exponentially weighted Besov space with dominating mixed smoothness and its application to function approximation	0
On semi-classical weight functions on the unit circle	0
On maximal autocorrelations of Rudin–Shapiro sequences	0
Spectral properties of a class of Moran measures on 0
Editorial Board	0
Positivity of Turán determinants for orthogonal polynomials II	0
The density of complex zeros of random sums	0
Extremal polynomials on the n-grid	0
Functions with identical Lp	0
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In Memoriam: Blagovest Sendov February 8, 1932–January 19, 2020	0
Gap probability for products of random matrices in the critical regime	0
Editorial Board	0
A family of orthogonal polynomials corresponding to Jacobi matrices with a trace class inverse	0
Corrigendum to “Abel Summability of Entire Functions of Exponential Type” [Progress in Approximation Theory, P. Nevai and A. Pinkus, Eds. (1991) 117–139]	0
Orthogonal polynomial projection error in Dunkl–Sobolev norms in the ball	0
Estimates for the modulus of continuity in the Jacobi frame	0
Christoffel functions for multiple orthogonal polynomials	0
Editorial Board	0
Convergence rate for weighted polynomial approximation on the real line	0
Approximating properties of metric and generalized metric projections in uniformly convex and uniformly smooth Banach spaces	0
Editorial Board	0
Compact cubic splines	0
Telescoping continued fractions for the error term in Stirling’s formula	0
Quasi-uniform designs with optimal and near-optimal uniformity constant	0
Density order of Parseval wavelet frames from extension principles	0
Editorial Board	0
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On modular approximants in sequential convergence spaces	0
On dynamics of asymptotically minimal polynomials	0
On some identities for confluent hypergeometric functions and Bessel functions	0
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Hermite–Padé approximation and integrability	0
Richard S. Varga October 9, 1928 – February 25, 2022	0
Polynomial approximation on disjoint segments and amplification of approximation	0
Harmonic analysis of little q-Legendre polynomials	0
Non-compact embeddings of Sobolev spaces	0
Mean convergence of Lagrange interpolation	0
On C. Michel’s hypothesis about the modulus of typically real polynomials	0
Bispectral dual Hahn polynomials with an arbitrary number of continuous parameters	0
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Chebyshev unions of planes, and their approximative and geometric properties	0
Transformation formulas of finite sums into continued fractions	0
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