Journal of Approximation Theory

Article	Citations
Editorial	14
Some aspects of the Bergman and Hardy spaces associated with a class of generalized analytic functions	13
The Lebesgue constants for Leja points are subexponential	11
Uniform convergence of Fourier–Jacobi series to absolutely continuous functions	8
Editorial Board	8
On maximal autocorrelations of Rudin–Shapiro sequences	7
A 3 × 3 singular solution to the Matrix Bochner Problem with	7
The sequence of partial sums of a unimodular power series is not ultraflat	7
On a conjecture concerning interpolation by bivariate Bernstein polynomials	6
Editorial Board	6
Editorial Board	6
On the asymptotic behavior of Jacobi polynomials with first varying parameter	6
Spectral properties of a class of Moran measures on 5
Approximating the derivative of manifold-valued functions	5
Editorial Board	5
Approximation of functions with small mixed smoothness in the uniform norm	5
Bernstein-type inequalities for mean n-valent functions	5
Counterexamples in isometric theory of symmetric and greedy bases	5
Optimal heat kernel bounds and asymptotics on Damek–Ricci spaces	4
A family of orthogonal polynomials corresponding to Jacobi matrices with a trace class inverse	4
Richard S. Varga October 9, 1928 – February 25, 2022	4
Is hyperinterpolation efficient in the approximation of singular and oscillatory functions?	4
Minimal projections onto subspaces generated by sign-matrices	4
2-strong uniqueness of a best approximation and of minimal projections in complex polytope norms and their duals	4
Editorial Board	4

Comonotone approximation of periodic functions	4
Wavelet characterization of Triebel–Lizorkin spaces for p	4
On positive Jacobi matrices with compact inverses	4
Minimax and maximin problems for sums of translates on the real axis	3
Besov spaces with generalized smoothness and summability of multiple Fourier series	3
Scaling limits of complex and symplectic non-Hermitian Wishart ensembles	3
Discrete harmonic analysis associated with Jacobi expansions III: The Littlewood–Paley–Stein	3
Bernstein-type constants for approximation of |	3
Mean convergence of Fourier–Akhiezer–Chebyshev series	3
Bernstein inequality on conic domains and triangles	3
Remembering Peter Benjamin Borwein (May 10, 1953–August 23, 2020)	3
Interpolation of compact multilinear operators between quasi-Banach spaces	3
Strictly positive definite functions on spheres	3
Extremal polynomials on the n	3
Spectral decomposition of H<	3
A point process on the unit circle with antipodal interactions	3
Strictly positive definite functions of finite orders and multivariate polynomial interpolation	3
Exact asymptotic order for generalised adaptive approximations	3
On some measures of non-compactness associated to Banach operator ideals	3
Editorial Board	3
Lower bounds for piecewise polynomial approximations of oscillatory functions	2
Asymptotics of the Humbert functions	2
Multivariate polynomial splines on generalized oranges	2
Harmonic analysis of little q-Legendre polynomials	2
On approximation by rational functions in Musielak–Orlicz spaces	2
Pseudo s-numbers of embeddings of Gaussian weighted Sobolev spaces	2
Compact cubic splines	2
Intrinsic interpolation, near-circularity and maximal convergence	2
Extended best	2
Polynomial approximation on disjoint segments and amplification of approximation	2
Uniform approximation of vectors using adaptive randomized information	2
Editorial Board	2
On the condition of cubic B-splines	2
Optimization-aided construction of multivariate Chebyshev polynomials	2
Approximating properties of metric and generalized metric projections in uniformly convex and uniformly smooth Banach spaces	2
Absolute minima of potentials of certain regular spherical configurations	2
Editorial Board	2
Editorial Board	2
Bispectral dual Hahn polynomials with an arbitrary number of continuous parameters	2
Estimates for entropy numbers of sets of smooth functions on complex spheres	2
Orthogonal polynomials for self-dual weights	2
Asymptotic analysis of a family of Sobolev orthogonal polynomials related to the generalized Charlier polynomials	2
Convergence in distribution of the Bernstein–Durrmeyer kernel and pointwise convergence of a generalised operator for functions of bounded variation	2
Runge-type approximation theorem for Banach-valued	2
s-Numbers of embeddings of weighted Wiener algebras	2
In memory of Peter Borwein	2
Uniformly bounded Lebesgue constants for scaled cardinal interpolation with Matérn kernels	2
Nyström subsampling for functional linear regression	1
Sharp Lp	1
On C. Michel’s hypothesis about the modulus of typically real polynomials	1

Edge detection with polynomial frames on the sphere	1
Editorial Board	1
The Calderón–Mityagin property for couples of weighted Radon measures	1
Triebel–Lizorkin regularity and bi-Lipschitz maps: Composition operator and inverse function regularity	1
On the representability of a continuous multivariate function by sums of ridge functions	1
About essential spectra of unbounded Jacobi matrices	1
On sharp heat kernel estimates in the context of Fourier–Dini expansions	1
Variations of property (A) constants and Lebesgue-type inequalities for the weak thresholding greedy algorithms	1
Lagrange interpolation polynomials for Laguerre-type weights	1
The Pearcey integral in the highly oscillatory region II	1
The upper bound for the Lebesgue constant for Lagrange interpolation in equally spaced points of the triangle	1
Proximinality and uniformly approximable sets in L	1
Telescoping continued fractions for the error term in Stirling’s formula	1
A modified Christoffel function and its asymptotic properties	1
The derivatives of the heat kernel on complete manifolds	1
Universal discretization and sparse recovery	1
Editorial Board	1
Editorial Board	1
Editorial Board	1
Log-concavity of B-splines	1
Rearrangement-invariant norm inequalities for convolution operators	1
On simultaneous density order from shift invariant subspaces in Sobolev spaces	1
Orthogonal polynomials on the real line generated by the parameter sequences for a given non-single parameter positive chain sequence	1
Quarklet characterizations for Triebel–Lizorkin spaces	1
Concentration inequalities for cross-validation in scattered data approximation	1
On Gaussian kernels on Hilbert spaces and kernels on hyperbolic spaces	1
Chebyshev unions of planes, and their approximative and geometric properties	1
Estimates of linear expressions through factorization	1
Inradius of random lemniscates	1
On Bernstein- and Marcinkiewicz-type inequalities on multivariate C	1
Exact L2	1
Editorial Board	1
The norm of the Cesàro operator minus the identity and related operators acting on decreasing sequences	1
Approximation by sums of shifts and dilations of a single function and neural networks	1
Interpolation of functions with zero integrals over balls of fixed radius	1
Best approximations and their extensions in Lorentz Gamma spaces	1
Editorial Board	1
On L1
Sharp lower bounds on interpolation by deep ReLU neural networks at irregularly spaced data	1
On a lemma by Brézis and Haraux	0
Alternation points, weights and orthogonal polynomials	0
A characterization of completely alternating functions	0
Sequences of m-term deviations in Hilbert space	0
Nevai’s condition for measures with unbounded supports	0
Iterated entropy derivatives and binary entropy inequalities	0
On the condition number of Newton interpolation: Chebyshev points and monotonically ordering	0
Generalized Bell polynomials	0
Weighted Lp	0
Random sections of ℓp	0
Quasi-uniform designs with optimal and near-optimal uniformity constant	0
Editorial Board	0
Editorial Board	0
Cosine polynomials with restrictions on their algebraic representation	0
Explicit expressions and computational methods for the Fortet–Mourier distance of positive measures to finite weighted sums of Dirac measures	0
Existence and uniqueness of s-curve segments of tensioned elastica satisfying geometric Hermite interpolation conditions	0
Monotonicity of zeros of derivatives of Bessel functions	0
Distribution of the zeros of polynomials near the unit circle	0
Dedication	0
Editorial Board	0
Weighted estimates for dyadic maximal operators	0
Bump functions with monotone Fourier transforms satisfying decay bounds	0
An electrostatic model for the roots of discrete classical orthogonal polynomials	0
Density results and trace operator in weighted Sobolev spaces defined on the half-line, equipped with power weights	0
A note on diffusion limits for stochastic gradient descent	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Editorial Board	0
Randomized weakly admissible meshes	0
Kolmogorov widths of an intersection of a family of balls in a mixed norm	0
The hard-to-soft edge transition: Exponential moments, central limit theorems and rigidity	0
Approximating positive homogeneous functions with scale invariant neural networks	0
Translation-based completeness on compact intervals	0
Sampling discretization error of integral norms for function classes with small smoothness	0
Editorial Board	0
Asymptotics for orthogonal polynomials and separation of their zeros	0
Littlewood–Paley–Rubio de Francia inequality for unbounded Vilenkin systems	0
The molecular characterizations of variable Triebel–Lizorkin spaces associated with the Hermite operator and its applications	0
Editorial Board	0
Embeddings of block-radial functions — approximation properties and nuclearity	0

Editorial Board	0
Positive orthogonalizing weights on the unit circle for the generalized Bessel polynomials	0
Gaussian quadrature formulae are strongly asymptotically optimal for a class of infinitely differentiable functions	0
Editorial Board	0
Properties of local orthonormal systems, Part II: Geometric characterization of Bernstein inequalities	0
Classification of 2-orthogonal polynomials with Brenke type generating functions	0
Editorial Board	0
Chebyshev polynomials corresponding to a vanishing weight	0
Smoothness and time–frequency analysis in Sobolev–Besicovitch spaces of almost periodic functions	0
Sign intermixing for Riesz bases and frames measured in the Kantorovich–Rubinstein norm	0
Chebyshev polynomials in the 16th century	0
In search of a higher Bochner theorem	0
Analytical study of the pantograph equation using Jacobi theta functions	0
Orthonormal expansions for translation-invariant kernels	0
Onesided, intertwining, positive and copositive polynomial approximation with interpolatory constraints	0
In Memoriam: Konstantin Il’ich Oskolkov February 17, 1946–August 24, 2024	0
Estimates of Lebesgue constants for Lagrange interpolation processes by rational functions under mild restrictions to their fixed poles	0
Editorial Board	0
Complex spherical designs from group orbits	0
Fast rates of minimum error entropy with heavy-tailed noise	0
Editorial Board	0
Randomized approximation of summable sequences — adaptive and non-adaptive	0
Barycentric rational interpolation method for solving 3 dimensional convection–diffusion equation	0
On semi-classical weight functions on the unit circle	0
On the approximation of functions in C<	0
Global rational approximations of functions with factorially divergent asymptotic series	0
Editorial Board	0
On some identities for confluent hypergeometric functions and Bessel functions	0
An asymptotic development of the Poisson integral for Laguerre polynomial expansions	0
Hermite–Padé approximation and integrability	0
Wavelet characterization of exponentially weighted Besov space with dominating mixed smoothness and its application to function approximation	0
Editorial Board	0
The Landau–Kolmogorov problem on a finite interval in the Taikov case	0
Random sampling and polynomial-free interpolation by Generalized MultiQuadrics	0
Comparing the degree of constrained and unconstrained trigonometric approximation	0
Sharp estimates for Jacobi heat kernels in conic domains	0
Localization for random CMV matrices	0
Remembering Peter Benjamin Borwein (May 10, 1953–August 23, 2020)	0
A note on sharp multivariate Bernstein- and Markov-type inequalities	0
On reverse Markov–Nikol’skii inequalities for polynomials with restricted zeros	0
Asymptotics of Bergman polynomials for domains with reflection-invariant corners	0
Complex Jacobi matrices generated by Darboux transformations	0
Improved Stein inequalities for the Fourier transform	0
Best approximation of constants by polynomials with integer coefficients	0
Nonlinear approximation of harmonic functions from shifts of the Newtonian kernel in BMO	0
On planar polynomial geometric interpolation	0
Dual spaces vs. Haar measures of polynomial hypergroups	0
On dynamics of asymptotically minimal polynomials	0
Codimension 1 minimal projections onto the lines in L	0
Singular examples of the Matrix Bochner Problem	0
Editorial Board	0
The Lp	0
On the image of the limit q	0
Estimates of entropy for multiplier operators of systems of orthonormal functions	0
H-sets for kernel-based spaces	0
Corrigendum to “Strong uniqueness and alternation theorems for relative Chebyshev centers” [J. Approx. Theory, 293 (2023) 105917]	0
The Machado–Bishop theorem in the uniform topology	0
Polynomial approximation in	0
In memory of Peter Borwein	0
In Memoriam: Peter Benjamin Borwein (1953–2020)	0
Approximation by linear combinations of translates in invariant Banach spaces of tempered distributions via Tauberian conditions	0
Function recovery on manifolds using scattered data	0
Matrix valued orthogonal polynomials arising from hexagon tilings with 3 × 3-periodic weightings	0
Sharp iteration asymptotics for transfer operators induced by greedy	0
On sparse recovery algorithms in unions of orthonormal bases	0
Uniformly convergent Fourier series with universal power parts on closed subsets of measure zero	0
Relations between Kondratiev spaces and refined localization Triebel–Lizorkin spaces	0
Editorial Board	0
Non-compact embeddings of Sobolev spaces	0
Editorial Board	0
Widom factors in	0
Twenty-five years of greedy bases	0
The sharp Landau–Kolmogorov inequality for the set ‖	0
Invertible and Fredholm operators on interpolation scales	0
The alternating simultaneous Halpern–Lions–Wittmann–Bauschke algorithm for finding the best approximation pair for two disjoint intersections of convex sets	0
Christoffel functions for multiple orthogonal polynomials	0
Editorial Board	0
Boundary value problems of potential theory for the exterior ball and the approximation and ergodic behaviour of the solutions	0
Editorial Board	0
Yosida approximations of the cumulative distribution function and applications in survival analysis	0
Coefficient-based regularized distribution regression	0
Sampling theorems with derivatives in shift-invariant spaces generated by periodic exponential B-splines	0
On multiplier analogues of the algebra	0
Peter Borwein: A philosopher’s mathematician	0
On the extremal eigenvalues of Jacobi ensembles at zero temperature	0
Orthogonal polynomials in weighted Bergman spaces	0
A lower bound for the Lebesgue constant of the Morrow–Patterson points	0
Simplified uniform asymptotic expansions for associated Legendre and conical functions	0
Nonlinear approximation of high-dimensional anisotropic analytic functions	0
Theorems of Szegö–Verblunsky type in the multivariate and almost periodic settings	0
Strong uniqueness and alternation theorems for relative Chebyshev centers	0
Approximation, Gelfand, and Kolmogorov numbers of Schatten class embeddings	0
Relative asymptotics of multiple orthogonal polynomials for Nikishin systems of two measures	0
Stable decomposition of homogeneous Mixed-norm Triebel–Lizorkin spaces	0
Editorial Board	0