[HTML][HTML] Electrically-tunable active metamaterials for damped elastic wave propagation control

G Elefante, ML De Bellis, A Bacigalupo - International Journal of Solids and …, 2023 - Elsevier
An electrically-tunable metamaterial is herein designed for the active control of damped
elastic waves. The periodic device is conceived including both elastic phases and a …

[PDF][PDF] Polynomial mapped bases: theory and applications

S De Marchi, G Elefante, E Francomano… - … in Applied and …, 2022 - intapi.sciendo.com
In this paper, we collect the basic theory and the most important applications of a novel
technique that has shown to be suitable for scattered data interpolation, quadrature, bio …

[HTML][HTML] More properties of (β, γ)-Chebyshev functions and points

S De Marchi, G Elefante, F Marchetti… - Journal of Mathematical …, 2023 - Elsevier
Abstract Recently,(β, γ)-Chebyshev functions, as well as the corresponding zeros, have
been introduced as a generalization of classical Chebyshev polynomials of the first kind and …

[HTML][HTML] Reducing the Gibbs effect in multimodal medical imaging by the Fake Nodes Approach

D Poggiali, D Cecchin, S De Marchi - Journal of Computational …, 2022 - Elsevier
It is a common practice in multimodal medical imaging to undersample the anatomically-
derived segmentation images to measure the mean activity of a co-acquired functional …

Mapped Variably Scaled Kernels: Applications to Solar Imaging

F Marchetti, E Perracchione, A Volpara… - … Science and Its …, 2023 - Springer
Variably scaled kernels and mapped bases constructed via the so-called fake nodes
approach are two different strategies to provide adaptive bases for function interpolation. In …

Padua points and fake nodes for polynomial approximation: old, new and open problems

S De Marchı - Constructive Mathematical Analysis, 2022 - dergipark.org.tr
Padua points, discovered in 2005 at the University of Padua, are the first set of points on the
square [− 1, 1] 2 [− 1, 1] 2 that are explicitly known, unisolvent for total degree polynomial …

[PDF][PDF] (Beta, Gamma)-funzioni di Chebyshev e loro applicazione ai fenomeni di Gibbs e Runge

JZ MARIETHOZ - 2022 - thesis.unipd.it
In questo elaborato presentiamo le (β, γ)-funzioni di Chebyshev ei corrispondenti (β, γ)-punti
di Chebyshev. Mostriamo che possono essere considerati come una generalizzazione dei …

[PDF][PDF] Three simple mapping strategies for approximating (scattered) data and functions

S De Marchi - 2024 - math.unipd.it
redThree simple mapping strategies for approximating (scattered) data and functions Page 1
Motivations The rescaled interpolant Variably Scaled Kernels (VSK) Mapping bases without …

[PDF][PDF] On (β, γ)-Chebyshev functions and points

S De Marchi - math.unipd.it
redOn (,)-Chebyshev functions and points - Page 1 Notations and motivations (β, γ)-Chebyshev
functions and points of the interval Towards (β, γ)-Lissajous curves and related points On (β …