OOIR: Observatory of International Research

Papers

(The TQCC of Numerical Functional Analysis and Optimization is 3. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Q-duals and Q-approximate duals of g-frames in Hilbert spaces	35
An Approach for Solving Split Common Fixed Point Problems with Multiple Output Sets That Uses Dynamic Step Sizes	27
On the Type of Ill-Posedness of Generalized Hilbert Matrices and Related Operators	25
Optimal Convergence of the Discrepancy Principle for Polynomially and Exponentially Ill-Posed Operators under White Noise	19
A Dynamical Splitting Method for Minimizing the Sum of Three Convex Functions	17
Tight wavelet frames on zero-dimensional groups. Construction and approximation	14
Optimality Conditions for Multiobjective Optimization Problems via Image Space Analysis	14
On Property- and Relative Chebyshev Centres in Banach Spaces	13
Weighted Composition Operators between the Bloch Type Space and the Hardy Space on the Unit Ball of Complex Banach Spaces	13
Stability Analysis for Semi-Infinite Vector Optimization Problems under Functional Perturbations	13
Composition of Euler Scaling Functions with the Optimization Method for Fractional Hyperbolic and Reaction-Diffusion Equations with Nonlocal Boundary Conditions	13
Fixed Point Theorems for Weakly Asymptotically Regular Mappings in Banach Spaces with an Application	12
Rigorous Numerical Enclosures for Positive Solutions of Lane–Emden’s Equation with Sub-Square Exponents	11
Locally Hölder Continuity of the Solution Map to a Boundary Control Problem with Finite Mixed Control-State Constraints	11
On some generalizations of Darbo- and Sadovskii- type fixed point theorems in Fréchet spaces	10
Forward and Backward Problems for Coupled Subdiffusion Systems	10
Exponential Sampling Type Kantorovich Max-Product Neural Network Operators	9
A Wavelet Plancherel Theory with Application to Multipliers and Sparse Approximations	9
Fixed Point and Convergence Results for Nonexpansive Set-Valued Mappings	9
Properties of the Solution Set of a Class of Mixed Variational Inqualities	8
Applications of Fell Topology to Closed Set-Valued Optimizations in Partially Ordered First Countable Topological Vector Spaces	8
Nonsymmetric Algebraic Riccati Equations under the Tensor Product	8
Data-Driven Morozov Regularization of Inverse Problems	7
Existence Results for State-Dependent Maximal Monotone Differential Inclusions: Fixed Point Approach	7
A Stable and Convergent Hybridized Discontinuous Galerkin Method for Time-Fractional Telegraph Equations	7

Combined Legendre Spectral-Finite Element Methods for Two-Dimensional Fredholm Integral Equations of the Second Kind	7
Generalized Drazin Invertibility of Operator Matrices	7
Algorithmic Aspect and Iterative Approximation of a Solution for a System of Generalized Multi-Valued Variational-Like Inclusions in Banach Spaces	6
Time-Frequency Analysis of Gabor Multipliers Associated with the Multidimensional Hankel-Stockwell Transform	6
Linear Functional Strategy and the Approximate Inverse for Nonlinear Ill-Posed Problems	6
A Modified Minimal Error Method for Solving Nonlinear Integral Equations via Multiscale Galerkin Methods	6
A Note on Stability of Parabolic Difference Equations on Torus	6
Subinvariant Metric Functionals for Nonexpansive Mappings	6
Two Singularity Subtraction Schemes for a Class of Nonlinear Weakly Singular Integral Equations	5
Finding the Best Proximity Point of Generalized Multivalued Contractions with Applications	5
Generalized Riccati Operator Equations, Invariant Subspaces and Toeplitz Corona Problem	5
Higher Order Difference Operators and Associated Relative Reproducing Kernel Hilbert Spaces	5
Some Results on Oblique Dual and Approximate Oblique Dual Hilbert-Schmidt Frames	4
On the Modification of Mellin Convolution Operator and Its Associated Information Potential	4
Optimal Control Results for Sobolev-Type Fractional Stochastic Volterra-Fredholm Integrodifferential Systems of Order ϑ ∈ (1, 2) via Sectorial Operators	4
An Analytic and Numerical Analysis of Weighted Singular Cauchy Integrals with Exponential Weights on ℝ	4
Error Estimates for Approximate Solutions to Seminlinear Elliptic Optimal Control Problems with Nonlinear and Mixed Constraints	4
Estimating Solution Smoothness and Data Noise with Tikhonov Regularization	4
Characterizations and Perturbations of the Core-EP Inverse of Tensors Based on the T-Product	4
Strong Convergence of Trajectories via Inertial Dynamics Combining Hessian-Driven Damping and Tikhonov Regularization for General Convex Minimizations	4
Bivariate Bernstein Chlodovsky Operators Preserving Exponential Functions and Their Convergence Properties	4
Dinkelbach Type Approximation Algorithms for Nonlinear Fractional Optimization Problems	4
Tseng’s Algorithm with Extrapolation from the past Endowed with Variable Metrics and Error Terms	4
Necessary and Sufficient Optimality Conditions for Non-regular Problems	3
On the Numerical Evaluation of Invertible Regularized Matrices based on High-Order Discretizations of the Laplace Operator for Ill-posed Linear Systems	3
Continuous Generative Neural Networks: A Wavelet-Based Architecture in Function Spaces	3
Regularity of Multipliers and Second-Order Optimality Conditions for Semilinear Parabolic Optimal Control Problems with Mixed Pointwise Constraints	3
On Diferential Inclusions Arising from Some Discontinuous Systems	3
Relatively Nonexpansive Mappings in k-Uniformly Convex Banach Spaces	3
Stability Radius of S-Quasimonotone Maps	3
On the Gamma Spaces Including the Spaces of Absolutelyp-Summable, Null, Convergent and Bounded Sequences	3
Variational Inequalities Over the Intersection of Fixed Point Sets of Generalized Demimetric Mappings and Zero Point Sets of Maximal Monotone Mappings	3
A Fully Discrete Approximation of a New Two-Temperature Thermoelastic Model	3
Solving Inverse Problems for Nonlinear Fractional Differential Equations Using Fractional-Order Hybrid Fibonacci Functions	3
Rates of Convergence and Metastability for Chidume’s Algorithm for the Approximation of Zeros of Accretive Operators in Banach Spaces	3
Positive Definite Functions on Products via Fourier Transforms: Old and New	3
First-Order Conditions for the Optimal Control of Learning-Informed Nonsmooth PDEs	3