[HTML][HTML] On an Exact Convergence of Quasi-Periodic Interpolations for the Polyharmonic–Neumann Eigenfunctions

A Poghosyan, L Poghosyan, R Barkhudaryan - Algorithms, 2024 - mdpi.com
Fourier expansions employing polyharmonic–Neumann eigenfunctions have demonstrated
improved convergence over those using the classical trigonometric system, due to the rapid …

[HTML][HTML] Feature Paper Collection of Mathematical and Computational Applications—2023

G Rozza, O Schütze, N Fantuzzi - Mathematical and Computational …, 2024 - mdpi.com
This Special Issue comprises the second collection of papers submitted by both the Editorial
Board Members (EBMs) of the journal Mathematical and Computational Applications (MCA) …

[HTML][HTML] Super-Fast Approximation Algorithms Using Classical Fourier Tools

A Nersessian - Advances in Pure Mathematics, 2024 - scirp.org
In the author's recent publications, a parametric system biorthogonal to the corresponding
segment of the exponential Fourier system was unusually effective. On its basis, it was …