Constructive Approximation

Papers
(The TQCC of Constructive Approximation 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 2021-07-01 to 2025-07-01.)
ArticleCitations
Asymptotics of k-nearest Neighbor Riesz Energies27
Estimates for the Largest Critical Value of $$T_n^{(k)}$$25
Greedy Expansions with Prescribed Coefficients in Hilbert Spaces for Special Classes of Dictionaries13
Strong Asymptotic of Cauchy Biorthogonal Polynomials and Orthogonal Polynomials with Varying Measure12
Duality and Difference Operators for Matrix Valued Discrete Polynomials on the Nonnegative Integers9
Sharp Constants of Approximation Theory: VI. Weighted Polynomial Inequalities of Different Metrics on the Multidimensional Cube and Ball9
Sparse Estimation: An MMSE Approach9
Extending the Meijer G-Function8
Fourier Interpolation with Zeros of Zeta and L-Functions8
Optimal Recovery from Inaccurate Data in Hilbert Spaces: Regularize, But What of the Parameter?7
An Extremal Problem for the Bergman Kernel of Orthogonal Polynomials7
Gaussian Bounds for the Heat Kernel Associated to Prolate Spheroidal Wave Functions with Applications7
Correction to: Jost Asymptotics for Matrix Orthogonal Polynomials on the Real Line7
Approximation of Wave Packets on the Real Line7
Sobolev-Type Embeddings for Neural Network Approximation Spaces7
Compositional Sparsity, Approximation Classes, and Parametric Transport Equations6
Riesz Energy Problems with External Fields and Related Theory5
Sharp Bernstein Inequalities on Simplex5
Adapted Variable Density Subsampling for Compressed Sensing5
Graph Recovery from Incomplete Moment Information5
Analysis of a Stabilised Finite Element Method for Power-Law Fluids5
Bounding Zolotarev Numbers Using Faber Rational Functions4
Multivariate Generalized Hermite Subdivision Schemes4
On the Log-Concavity of the Wright Function4
Optimal Approximation of Zonoids and Uniform Approximation by Shallow Neural Networks4
Iterated Function Systems Enriched with Symmetry4
Extension Operators for Some Ultraholomorphic Classes Defined by Sequences of Rapid Growth4
Correction: Universal Approximation with Complex-Valued Deep Narrow Neural Networks3
On the Fourier Coefficients of Powers of a Blaschke Factor and Strongly Annular Functions3
Asymptotic Behaviours of q-orthogonal Polynomials from a q-Riemann Hilbert Problem3
Non-polynomial q-Askey Scheme: Integral Representations, Eigenfunction Properties, and Polynomial Limits3
Orthogonal Polynomials with Periodically Modulated Recurrence Coefficients in the Jordan Block Case II3
Maximal Convergence and Interpolation on Unconnected Sets3
Dual Smale’s Mean Value Conjecture for $$n=7$$3
Large-Degree Asymptotics of Rational Painlevé-IV Solutions by the Isomonodromy Method3
Singular Value Perturbation and Deep Network Optimization3
Shrinking Schauder Frames and Their Associated Bases2
Computation of Power Law Equilibrium Measures on Balls of Arbitrary Dimension2
Polynomial Approximation on $$C^2$$-Domains2
Wavelet Characterization of Local Muckenhoupt Weighted Sobolev Spaces with Variable Exponents2
The Complete Asymptotic Evaluation for Mellin Convolution Operators2
Polynomial Approximation of Piecewise Analytic Functions on Quasi-Smooth Arcs2
Sparse Approximation of Triangular Transports, Part I: The Finite-Dimensional Case2
Recovery of Regular Ridge Functions on the Ball2
Construction of Nonlinear Approximation Schemes for Piecewise Smooth Data2
Wall Polynomials on the Real Line: A Classical Approach to OPRL Khrushchev’s Formula2
Metric Approximation of Set-Valued Functions of Bounded Variation by Integral Operators2
Which Spaces can be Embedded in Reproducing Kernel Hilbert Spaces?2
Approximation Theory of Tree Tensor Networks: Tensorized Univariate Functions2
Correction: Non-Self-Adjoint Toeplitz Matrices Whose Principal Submatrices Have Real Spectrum2
Injectivity, Stability, and Positive Definiteness of Max Filtering2
Bounds on Orthonormal Polynomials for Restricted Measures2
Monotone Discretization of Anisotropic Differential Operators Using Voronoi’s First Reduction2
Approximation with One-Bit Polynomials in Bernstein Form2
Characterization of the Variation Spaces Corresponding to Shallow Neural Networks2
Recurrence Relations of Exceptional Laurent Biorthogonal Polynomials2
Universal Sampling Discretization2
Optimal Sampling and Christoffel Functions on General Domains2
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