OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Approximation Theory is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-10-01 to 2025-10-01.)

Article	Citations
Editorial	52
Uniform convergence of Fourier–Jacobi series to absolutely continuous functions	10
Some aspects of the Bergman and Hardy spaces associated with a class of generalized analytic functions	9
The Lebesgue constants for Leja points are subexponential	8
On maximal autocorrelations of Rudin–Shapiro sequences	8
On(β,γ)	7
Asymptotic correlations with corrections for the circular Jacobi β-ens	7
Editorial Board	6
Editorial Board	5
On a conjecture concerning interpolation by bivariate Bernstein polynomials	5
Approximating the derivative of manifold-valued functions	5
Editorial Board	4
Counterexamples in isometric theory of symmetric and greedy bases	4
Editorial Board	4
Minimal projections onto subspaces generated by sign-matrices	4
Approximation of functions with small mixed smoothness in the uniform norm	4
Editorial Board	4
Optimal heat kernel bounds and asymptotics on Damek–Ricci spaces	4
On the asymptotic behavior of Jacobi polynomials with first varying parameter	4
Is hyperinterpolation efficient in the approximation of singular and oscillatory functions?	4
Comonotone approximation of periodic functions	4
Spectral properties of a class of Moran measures on 3
Richard S. Varga October 9, 1928 – February 25, 2022	3
Exact asymptotic order for generalised adaptive approximations	3
Explicit bounds for even moments of Bernstein’s polynomials	3

Interpolation of compact multilinear operators between quasi-Banach spaces	3
Estimates for the modulus of continuity in the Jacobi frame	3
Extremal polynomials on the n-grid	3
A family of orthogonal polynomials corresponding to Jacobi matrices with a trace class inverse	3
Wavelet characterization of Triebel–Lizorkin spaces for p	3
Scaling limits of complex and symplectic non-Hermitian Wishart ensembles	3
A point process on the unit circle with antipodal interactions	2
Asymptotically optimal cubature formulas on manifolds for prefixed weights	2
Remembering Peter Benjamin Borwein (May 10, 1953–August 23, 2020)	2
Besov spaces with generalized smoothness and summability of multiple Fourier series	2
Lower bounds for piecewise polynomial approximations of oscillatory functions	2
Editorial Board	2
Strictly positive definite functions on spheres	2
On some measures of non-compactness associated to Banach operator ideals	2
Spectral decomposition of H<	2
Mean convergence of Fourier–Akhiezer–Chebyshev series	2
Estimates for entropy numbers of sets of smooth functions on complex spheres	2
Bernstein-type constants for approximation of \|	2
Editorial Board	2
Discrete harmonic analysis associated with Jacobi expansions III: The Littlewood–Paley–Stein	2
Bernstein inequality on conic domains and triangles	2
Uniformly bounded Lebesgue constants for scaled cardinal interpolation with Matérn kernels	2
Gap probability for products of random matrices in the critical regime	1
On the condition of cubic B-splines	1
Asymptotic analysis of a family of Sobolev orthogonal polynomials related to the generalized Charlier polynomials	1
Pseudo s-numbers of embeddings of Gaussian weighted Sobolev spaces	1
In memory of Peter Borwein	1
Multivariate polynomial splines on generalized oranges	1
Editorial Board	1
Approximating properties of metric and generalized metric projections in uniformly convex and uniformly smooth Banach spaces	1
Extremal polynomials on a Jordan arc	1
Estimates of linear expressions through factorization	1
Harmonic analysis of little q-Legendre polynomials	1
Sharp Lp	1
Compact cubic splines	1
Convergence in distribution of the Bernstein–Durrmeyer kernel and pointwise convergence of a generalised operator for functions of bounded variation	1
Editorial Board	1
Absolute minima of potentials of certain regular spherical configurations	1
Polynomial approximation on disjoint segments and amplification of approximation	1
Nonlinear steepest descent approach to orthogonality on elliptic curves	1
Editorial Board	1
On approximation by rational functions in Musielak–Orlicz spaces	1
The derivatives of the heat kernel on complete manifolds	1
On C. Michel’s hypothesis about the modulus of typically real polynomials	1
Chebyshev unions of planes, and their approximative and geometric properties	1
Editorial Board	1
s-Numbers of embeddings of weighted Wiener algebras	1
Telescoping continued fractions for the error term in Stirling’s formula	1
Orthogonal polynomials for self-dual weights	1
A statistical learning assessment of Huber regression	1

Bispectral dual Hahn polynomials with an arbitrary number of continuous parameters	1
Extended best Lp	1
Optimization-aided construction of multivariate Chebyshev polynomials	1
Runge-type approximation theorem for Banach-valued H	1
A modified Christoffel function and its asymptotic properties	1
Inradius of random lemniscates	1