OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Approximation Theory is 2. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Editorial	49
The Lebesgue constants for Leja points are subexponential	12
Some aspects of the Bergman and Hardy spaces associated with a class of generalized analytic functions	10
On(β,γ)	9
Uniform convergence of Fourier–Jacobi series to absolutely continuous functions	9
On maximal autocorrelations of Rudin–Shapiro sequences	8
Asymptotic correlations with corrections for the circular Jacobi β-ens	8
On a conjecture concerning interpolation by bivariate Bernstein polynomials	7
Approximating the derivative of manifold-valued functions	7
Editorial Board	7
Editorial Board	7
Approximation of functions with small mixed smoothness in the uniform norm	7
On the asymptotic behavior of Jacobi polynomials with first varying parameter	6
Editorial Board	5
Counterexamples in isometric theory of symmetric and greedy bases	5
Minimal projections onto subspaces generated by sign-matrices	4
Editorial Board	4
Spectral properties of a class of Moran measures on 4
Richard S. Varga October 9, 1928 – February 25, 2022	4
Exact asymptotic order for generalised adaptive approximations	4
Editorial Board	4
Explicit bounds for even moments of Bernstein’s polynomials	4
Scaling limits of complex and symplectic non-Hermitian Wishart ensembles	4
Extremal polynomials on the n-grid	4
A family of orthogonal polynomials corresponding to Jacobi matrices with a trace class inverse	4

Is hyperinterpolation efficient in the approximation of singular and oscillatory functions?	4
Comonotone approximation of periodic functions	4
Optimal heat kernel bounds and asymptotics on Damek–Ricci spaces	4
Estimates for the modulus of continuity in the Jacobi frame	4
Wavelet characterization of Triebel–Lizorkin spaces for p	4
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
Mean convergence of Fourier–Akhiezer–Chebyshev series	3
Asymptotically optimal cubature formulas on manifolds for prefixed weights	3
Discrete harmonic analysis associated with Jacobi expansions III: The Littlewood–Paley–Stein	3
On some measures of non-compactness associated to Banach operator ideals	3
Editorial Board	3
Editorial Board	3
A superposition theorem of Kolmogorov type for bounded continuous functions	3
Bernstein-type constants for approximation of \|	3
Bispectral dual Hahn polynomials with an arbitrary number of continuous parameters	2
Multivariate polynomial splines on generalized oranges	2
Spectral decomposition of H<	2
In memory of Peter Borwein	2
Asymptotic analysis of a family of Sobolev orthogonal polynomials related to the generalized Charlier polynomials	2
On approximation by rational functions in Musielak–Orlicz spaces	2
Optimization-aided construction of multivariate Chebyshev polynomials	2
s-Numbers of embeddings of weighted Wiener algebras	2
Pseudo s-numbers of embeddings of Gaussian weighted Sobolev spaces	2
Polynomial approximation on disjoint segments and amplification of approximation	2
Extended best Lp	2
Lower bounds for piecewise polynomial approximations of oscillatory functions	2
A point process on the unit circle with antipodal interactions	2
Uniformly bounded Lebesgue constants for scaled cardinal interpolation with Matérn kernels	2
Runge-type approximation theorem for Banach-valued H	2
On the condition of cubic B-splines	2
Orthogonal polynomials for self-dual weights	2
Approximating properties of metric and generalized metric projections in uniformly convex and uniformly smooth Banach spaces	2
Editorial Board	2
Nonlinear steepest descent approach to orthogonality on elliptic curves	2
Estimates for entropy numbers of sets of smooth functions on complex spheres	2
Besov spaces with generalized smoothness and summability of multiple Fourier series	2
Editorial Board	2
Compact cubic splines	2
Convergence in distribution of the Bernstein–Durrmeyer kernel and pointwise convergence of a generalised operator for functions of bounded variation	2
Editorial Board	2
Absolute minima of potentials of certain regular spherical configurations	2
Editorial Board	2
A statistical learning assessment of Huber regression	2