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05/05/2023
More properties of (β,γ)-Chebyshev functions and points
Recently, (β,γ)-Chebyshev functions, as well as the corresponding zeros,...
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04/03/2023
Mapped Variably Scaled Kernels: Applications to Solar Imaging
Variably scaled kernels and mapped bases constructed via the so-called f...
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02/06/2023
Moving Least Squares Approximation using Variably Scaled Discontinuous Weight Function
Functions with discontinuities appear in many applications such as image...
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05/09/2022
Computational issues by interpolating with inverse multiquadrics: a solution
We consider the interpolation problem with the inverse multiquadric radi...
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04/22/2022
Aldaz-Kounchev-Render operators and their approximation properties
The approximation properties of the Aldaz-Kounchev-Render (AKR) operator...
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04/04/2022
Polynomial mapped bases: theory and applications
In this paper, we collect the basic theory and the most important applic...
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02/21/2022
Reducing the Gibbs effect in multimodal medical imaging by the Fake Nodes Approach
It is a common practice in multimodal medical imaging to undersample the...
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02/20/2022
Variably Scaled Persistence Kernels (VSPKs) for persistent homology applications
In recent years, various kernels have been proposed in the context of pe...
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09/29/2021
Greedy algorithms for learning via exponential-polynomial splines
Kernel-based schemes are state-of-the-art techniques for learning by dat...
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06/10/2021
A shape preserving quasi-interpolation operator based on a new transcendental RBF
It is well-known that the univariate Multiquadric quasi-interpolation op...
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05/20/2021
Stable discontinuous mapped bases: the Gibbs-Runge-Avoiding Stable Polynomial Approximation (GRASPA) method
The mapped bases or Fake Nodes Approach (FNA), introduced in [10], allow...
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03/10/2021
Oversampling errors in multimodal medical imaging are due to the Gibbs effect
To analyse multimodal 3-dimensional medical images, interpolation is req...
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02/08/2021