The journal publishes research on approximation theory, including topics such as randomized algorithms for approximation, multiple orthogonal polynomials and their factorizations, and moment problems related to Jacobi operators. It also covers inequalities like Landau-type inequalities and anisotropic polynomial approximation in Lebesgue and Besov spaces. Further research includes the use of polynomial frames for detecting discontinuities along curves on spheres.
Mathematical functions and polynomialsApproximation Theory and Sequence SpacesAdvanced Numerical Analysis TechniquesMathematical Approximation and IntegrationIterative Methods for Nonlinear EquationsDiverse Scientific and Economic StudiesMatrix Theory and AlgorithmsAdvanced Banach Space TheoryHuman auditory perception and evaluationAdvanced Harmonic Analysis Research