Journal of Approximation Theory

Article	Citations
Extended best Lp	34
Bispectral dual Hahn polynomials with an arbitrary number of continuous parameters	13
On the condition number of Newton interpolation: Chebyshev points and monotonically ordering	9
On(β,γ)	8
Positivity of Turán determinants for orthogonal polynomials II	8
Non-compact embeddings of Sobolev spaces	8
A matrix version of a higher-order Szegő theorem	7
New examples of Krall–Meixner and Krall–Hahn polynomials, with applications to the construction of exceptional Meixner and Laguerre polynomials	7
Asymptotic distribution of the zeros of recursively defined non-orthogonal polynomials	6
Editorial Board	6
Uniformly bounded Lebesgue constants for scaled cardinal interpolation with Matérn kernels	5
Editorial Board	5
The Lebesgue constants for Leja points are subexponential	5
On maximal autocorrelations of Rudin–Shapiro sequences	5
Editorial Board	5
Remembering Peter Benjamin Borwein (May 10, 1953–August 23, 2020)	4
Chebyshev polynomials corresponding to a vanishing weight	4
Randomized approximation of summable sequences — adaptive and non-adaptive	4
Factorization of Hermite subdivision operators from polynomial over-reproduction	4
Editorial	4
Log-concavity of B-splines	4
Chebyshev polynomials in the 16th century	4
In memory of Peter Borwein	4
Editorial Board	4
On sharp heat kernel estimates in the context of Fourier–Dini expansions	4

Existence and uniqueness of s-curve segments of tensioned elastica satisfying geometric Hermite interpolation conditions	4
Polynomial approximation on disjoint segments and amplification of approximation	3
Lower bounds for piecewise polynomial approximations of oscillatory functions	3
Nonlinear steepest descent approach to orthogonality on elliptic curves	3
A CMV connection between orthogonal polynomials on the unit circle and the real line	3
On planar polynomial geometric interpolation	3
Wavelet characterization of exponentially weighted Besov space with dominating mixed smoothness and its application to function approximation	3
The alternating simultaneous Halpern–Lions–Wittmann–Bauschke algorithm for finding the best approximation pair for two disjoint intersections of convex sets	3
On Bernstein- and Marcinkiewicz-type inequalities on multivariate C	3
A statistical learning assessment of Huber regression	3
Approximation by sums of shifts and dilations of a single function and neural networks	3
Asymptotic correlations with corrections for the circular Jacobi β-ens	3
Some aspects of the Bergman and Hardy spaces associated with a class of generalized analytic functions	3
Multivariate polynomial splines on generalized oranges	3
In search of a higher Bochner theorem	3
Series representations of the Volterra function and the Fransén–Robinson constant	3
Nonlinear approximation of high-dimensional anisotropic analytic functions	3
Translation-based completeness on compact intervals	2
On reverse Markov–Nikol’skii inequalities for polynomials with restricted zeros	2
Positive orthogonalizing weights on the unit circle for the generalized Bessel polynomials	2
The differential equation for Jacobi–Sobolev orthogonal polynomials with two linear perturbutions	2
Orthogonal polynomials for self-dual weights	2
s-Numbers of embeddings of weighted Wiener algebras	2
Approximating properties of metric and generalized metric projections in uniformly convex and uniformly smooth Banach spaces	2
Editorial Board	2
Strong uniqueness and alternation theorems for relative Chebyshev centers	2
About essential spectra of unbounded Jacobi matrices	2
Corrigendum to “Strong uniqueness and alternation theorems for relative Chebyshev centers” [J. Approx. Theory, 293 (2023) 105917]	2
Editorial Board	2
Editorial Board	2
On a conjecture concerning interpolation by bivariate Bernstein polynomials	2
Editorial Board	2
Editorial Board	2
Quasi-uniform designs with optimal and near-optimal uniformity constant	2
Entropy function and orthogonal polynomials	2
Editorial Board	2
About families of orthogonal polynomials satisfying Heun’s differential equation	2
Stable decomposition of homogeneous Mixed-norm Triebel–Lizorkin spaces	2
Negative results in coconvex approximation of periodic functions	2
Multidimensional intertwining Leja sequences and applications in bidimensional Lagrange interpolation	2
On the asymptotic behavior of Jacobi polynomials with first varying parameter	1
Approximation of functions with small mixed smoothness in the uniform norm	1
Exact order of pointwise estimates for polynomial approximation with Hermite interpolation	1
Randomized weakly admissible meshes	1
Coefficient-based regularized distribution regression	1
A class of Sobolev orthogonal polynomials on the unit circle and associated continuous dual Hahn polynomials: Bounds, asymptotics and zeros	1
Editorial Board	1
Kolmogorov widths of an intersection of a family of balls in a mixed norm	1
Localization for random CMV matrices	1
Extensions of the Bloch-Pólya theorem on the number of real zeros of polynomials (II)	1

Editorial Board	1
On the representability of a continuous multivariate function by sums of ridge functions	1
Editorial Board	1
Absolute minima of potentials of certain regular spherical configurations	1
Mean convergence of Lagrange interpolation	1
Optimal dual quantizers of 1D	1
Asymptotic analysis of a family of Sobolev orthogonal polynomials related to the generalized Charlier polynomials	1
Spherical basis functions in Hardy spaces with localization constraints	1
The Landau–Kolmogorov problem on a finite interval in the Taikov case	1
Approximating the derivative of manifold-valued functions	1
On the optimal constants in the two-sided Stechkin inequalities	1
Onesided Korovkin approximation	1
Explicit bounds for even moments of Bernstein’s polynomials	1
The hard-to-soft edge transition: Exponential moments, central limit theorems and rigidity	1
Fourier–Zernike series of compactly supported convolutions on S	1
Editorial Board	1
Theorems of Szegö–Verblunsky type in the multivariate and almost periodic settings	1
Spectral properties of a class of Moran measures on 1
Pseudo s-numbers of embeddings of Gaussian weighted Sobolev spaces	1
Weighted embeddings for function spaces associated with Hermite expansions	1
“Near-best” polynomial approximation of harmonic functions on compact sets in ℂ	1
Boundary value problems of potential theory for the exterior ball and the approximation and ergodic behaviour of the solutions	1
On dynamics of asymptotically minimal polynomials	1
On the condition of cubic B-splines	1
Editorial Board	1
Compact cubic splines	1
Approximation, Gelfand, and Kolmogorov numbers of Schatten class embeddings	1
Editorial Board	1
Counterexamples in isometric theory of symmetric and greedy bases	1
The Lp	1
Editorial Board	1
Markov-type inequalities and extreme zeros of orthogonal polynomials	1
Editorial Board	1
Is hyperinterpolation efficient in the approximation of singular and oscillatory functions?	1
Density results and trace operator in weighted Sobolev spaces defined on the half-line, equipped with power weights	1
Editorial Board	1
On some identities for confluent hypergeometric functions and Bessel functions	1
Improved Stein inequalities for the Fourier transform	1
Bump functions with monotone Fourier transforms satisfying decay bounds	1
In memory of Peter Borwein	1
Christoffel functions for multiple orthogonal polynomials	1
Sharp Lp	1
Sequences of dilations and translations equivalent to the Haar system in	1
A family of orthogonal polynomials corresponding to Jacobi matrices with a trace class inverse	1
Kolmogorov widths of weighted Sobolev classes on a multi-dimensional domain with conditions on the derivatives of order 1
Editorial Board	0
Complex Jacobi matrices generated by Darboux transformations	0
Editorial Board	0
Absorbing–reflecting factorizations for birth–death chains on the integers and their Darboux transformations	0
Editorial Board	0
Estimates of Lebesgue constants for Lagrange interpolation processes by rational functions under mild restrictions to their fixed poles	0
Approximation theorems on graphs	0
An approximate functional equation for the Riemann zeta function with exponentially decaying error	0
Concentration inequalities for cross-validation in scattered data approximation	0
Kernel gradient descent algorithm for information theoretic learning	0
Gaussian quadrature formulae are strongly asymptotically optimal for a class of infinitely differentiable functions	0
On sparse recovery algorithms in unions of orthonormal bases	0
Alternation points, weights and orthogonal polynomials	0
Approximating the pth root by composite rational functions	0
Generalized Bell polynomials	0
On the approximation of functions in C<	0
Cosine polynomials with restrictions on their algebraic representation	0
An intersection representation for a class of anisotropic vector-valued function spaces	0
Random sections of ℓp	0
Editorial Board	0
Asymptotically optimal cubature formulas on manifolds for prefixed weights	0
A superposition theorem of Kolmogorov type for bounded continuous functions	0
The norm of the Cesàro operator minus the identity and related operators acting on decreasing sequences	0
Asymptotics of sharp constants in Markov–Bernstein–Nikolskii type inequalities with exponential weights	0
A modified Christoffel function and its asymptotic properties	0
On Gaussian kernels on Hilbert spaces and kernels on hyperbolic spaces	0
Editorial Board	0
Harmonic analysis of little q-Legendre polynomials	0
Density order of Parseval wavelet frames from extension principles	0
In Memoriam: Peter Benjamin Borwein (1953–2020)	0
On modular approximants in sequential convergence spaces	0
Editorial Board	0
Approximation error for neural network operators by an averaged modulus of smoothness	0
Minimal projections onto subspaces generated by sign-matrices	0
An asymptotic development of the Poisson integral for Laguerre polynomial expansions	0

Hard edge statistics of products of Pólya ensembles and shifted GUE’s	0
Classification of 2-orthogonal polynomials with Brenke type generating functions	0
Optimization-aided construction of multivariate Chebyshev polynomials	0
Editorial Board	0
Sampling discretization error of integral norms for function classes with small smoothness	0
Bernstein–Szegő inequality for trigonometric polynomials in	0
Hermite–Padé approximation and integrability	0
Multiplicity of zeros of polynomials	0
A simple upper bound for Lebesgue constants associated with Leja points on the real line	0
Inradius of random lemniscates	0
Weighted Lp	0
Editorial Board	0
Smoothness of subspace sections of the unit balls of C	0
Peter Borwein: A philosopher’s mathematician	0
Distributed learning and distribution regression of coefficient regularization	0
Estimations of singular functions of kernel cross-covariance operators	0
Intertwining operator associated to symmetric groups and summability on the unit sphere	0
Approximation properties of periodic multivariate quasi-interpolation operators	0
Bispectrality of Meixner type polynomials	0
Spectral decomposition of H<	0
H-sets for kernel-based spaces	0
Stable high-order randomized cubature formulae in arbitrary dimension	0
Fast rates of minimum error entropy with heavy-tailed noise	0
Function recovery on manifolds using scattered data	0
Lagrange interpolation polynomials for Laguerre-type weights	0
Richard S. Varga October 9, 1928 – February 25, 2022	0
Geometric computation of Christoffel functions on planar convex domains	0
Editorial Board	0
Estimates for the modulus of continuity in the Jacobi frame	0
The sharp Landau–Kolmogorov inequality for the set ‖	0
Measure of noncompactness of Sobolev embeddings on strip-like domains	0
Strictly positive definite functions on spheres	0
Solutions to inverse moment estimation problems in dimension 2, using best constrained approximation	0
WITHDRAWN: A canonical transform for strengthening the local L	0
Exact L2	0
The derivatives of the heat kernel on complete manifolds	0
Infinite-dimensional integration and L	0
Quarklet characterizations for Triebel–Lizorkin spaces	0
Comonotone approximation of periodic functions	0
Asymptotics for orthogonal polynomials and separation of their zeros	0
Sign intermixing for Riesz bases and frames measured in the Kantorovich–Rubinstein norm	0
Codimension 1 minimal projections onto the lines in L	0
Editorial Board	0
Orthogonal polynomials in weighted Bergman spaces	0
Explicit expressions and computational methods for the Fortet–Mourier distance of positive measures to finite weighted sums of Dirac measures	0
Mean convergence of Fourier–Akhiezer–Chebyshev series	0
Convergence in distribution of the Bernstein–Durrmeyer kernel and pointwise convergence of a generalised operator for functions of bounded variation	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
The Machado–Bishop theorem in the uniform topology	0
On the representing measures of Dunkl’s intertwining operator	0
Triebel–Lizorkin regularity and bi-Lipschitz maps: Composition operator and inverse function regularity	0
Variations of property (A) constants and Lebesgue-type inequalities for the weak thresholding greedy algorithms	0
Editorial Board	0
On the best uniform polynomial approximation to the checkmark function	0
Extremal polynomials on a Jordan arc	0
Bernstein-type constants for approximation of |	0
Remembering Peter Benjamin Borwein (May 10, 1953–August 23, 2020)	0
Signal separation under coherent dictionaries and ℓ	0
Bernstein inequality on conic domains and triangles	0
Complex spherical designs from group orbits	0
Matrix-valued orthogonal polynomials related to hexagon tilings	0
Besov spaces with generalized smoothness and summability of multiple Fourier series	0
On some measures of non-compactness associated to Banach operator ideals	0
Editorial Board	0
A dual-type problem to Christoffel function	0
Estimates of entropy for multiplier operators of systems of orthonormal functions	0
Distribution of the zeros of polynomials near the unit circle	0
Approximation by linear combinations of translates in invariant Banach spaces of tempered distributions via Tauberian conditions	0
On convergence of derivatives of Voronovskaja-type expansion for Bernstein type operators	0
The upper bound for the Lebesgue constant for Lagrange interpolation in equally spaced points of the triangle	0
Editorial Board	0
Editorial Board	0
A note on K-functional, Modulus of smoothness, Jackson theorem and Ber	0
Dual spaces vs. Haar measures of polynomial hypergroups	0
Discrete harmonic analysis associated with Jacobi expansions III: The Littlewood–Paley–Stein	0
Telescoping continued fractions for the error term in Stirling’s formula	0
Turán’s inequality, nonnegative linearization and amenability properties for associated symmetric Pollaczek polynomials	0
Error bounds for the method of simultaneous projections with infinitely many subspaces	0
Weighted estimates for Hermite pseudo-multipliers with rough symbols	0
Orthonormal expansions for translation-invariant kernels	0
Proximinality and uniformly approximable sets in L	0
Analytical study of the pantograph equation using Jacobi theta functions	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Norm estimates for Chebyshev polynomials, I	0
On approximation by rational functions in Musielak–Orlicz spaces	0
Editorial Board	0
Sharp estimates for Jacobi heat kernels in conic domains	0
Strong converse inequality for linear combinations of Szász-Mirakjan operators	0
Littlewood–Paley–Rubio de Francia inequality for unbounded Vilenkin systems	0
Monotonicity of zeros of derivatives of Bessel functions	0
Editorial Board	0