Juan
Ruiz Álvarez
Profesor Titular de Universidad
Publicaciones (67) Publicaciones de Juan Ruiz Álvarez
2024
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A Stable FE-FD Method for Anisotropic Parabolic PDEs with Moving Interfaces
Communications on Applied Mathematics and Computation, Vol. 6, Núm. 2, pp. 992-1012
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A non-separable progressive multivariate WENO-2r point value
Applied Numerical Mathematics, Vol. 204, pp. 26-47
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A regularization–correction approach for adapting subdivision schemes to the presence of discontinuities
BIT Numerical Mathematics, Vol. 64, Núm. 1
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Fully accurate approximation of piecewise smooth functions using corrected B-spline quasi-interpolants
Computational and Applied Mathematics, Vol. 43, Núm. 4
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Geometric representation of the weighted harmonic mean of n positive values and potential applications.
Indian Journal of Pure and Applied Mathematics, Vol. 55, Núm. 2, pp. 794-804
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Non-linear WENO B-spline based approximation method
Numerical Algorithms
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Stable high order FD methods for interface and internal layer problems based on non-matching grids
Numerical Algorithms, Vol. 96, Núm. 4, pp. 1647-1674
2023
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A new B-spline type approximation method for non-smooth functions
Applied Mathematics Letters, Vol. 141
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A new family of means: the generalized weighted power means and applications
International Journal of Computer Mathematics, Vol. 100, Núm. 2, pp. 422-439
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About a dubious proof of a correct result about closed Newton Cotes error formulas
Open Mathematics, Vol. 21, Núm. 1
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Adapting Cubic Hermite Splines to the Presence of Singularities Through Correction Terms
Journal of Scientific Computing, Vol. 95, Núm. 3
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Global and explicit approximation of piecewise-smooth two-dimensional functions from cell-average data
IMA Journal of Numerical Analysis, Vol. 43, Núm. 4, pp. 2299-2319
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Numerical integration rules with improved accuracy close to discontinuities
Mathematics and Computers in Simulation, Vol. 210, pp. 593-614
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The translation operator. Applications to nonlinear reconstruction operators on nonuniform grids
Mathematics and Computers in Simulation, Vol. 203, pp. 408-424
2022
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A class of C 2 quasi-interpolating splines free of Gibbs phenomenon
Numerical Algorithms, Vol. 91, Núm. 1, pp. 51-79
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A two-stage approximation strategy for piecewise smooth functions in two and three dimensions
IMA Journal of Numerical Analysis, Vol. 42, Núm. 4, pp. 3330-3359
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Explicit multivariate approximations from cell-average data
Advances in Computational Mathematics, Vol. 48, Núm. 6
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On a Nonlinear Three-Point Subdivision Scheme Reproducing Piecewise Constant Functions
Mathematics, Vol. 10, Núm. 15
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On the approximation of derivative values using a WENO algorithm with progressive order of accuracy close to discontinuities
Computational and Applied Mathematics, Vol. 41, Núm. 6
2021
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Cell-average WENO with progressive order of accuracy close to discontinuities with applications to signal processing
Applied Mathematics and Computation, Vol. 403