Stefano Serra
Gästprofessor vid Institutionen för informationsteknologi; Beräkningsvetenskap
- E-post:
- stefano.serra@it.uu.se
- Besöksadress:
- Hus 10, Regementsvägen 10
- Postadress:
- Box 337
751 05 UPPSALA
Publikationer
Senaste publikationer
Ingår i BIT Numerical Mathematics, 2025
- DOI för The numerical linear algebra of weights. Part I: from the spectral analysis to conditioning and preconditioning in the one-dimensional Laplacian case
- Ladda ner fulltext (pdf) av The numerical linear algebra of weights. Part I: from the spectral analysis to conditioning and preconditioning in the one-dimensional Laplacian case
Ingår i Numerical Algorithms, s. 277-309, 2025
Generalized Locally Toeplitz matrix-sequences and approximated PDEs on submanifolds: the flat case
Ingår i Linear and multilinear algebra, s. 1902-1924, 2025
New Asymptotic and Oscillatory Results for Third-Order Noncanonical Advanced Differential Equations
Ingår i Mathematics, 2025
- DOI för New Asymptotic and Oscillatory Results for Third-Order Noncanonical Advanced Differential Equations
- Ladda ner fulltext (pdf) av New Asymptotic and Oscillatory Results for Third-Order Noncanonical Advanced Differential Equations
Ingår i Applied Mathematics and Computation, 2025
Alla publikationer
Artiklar i tidskrift
Ingår i BIT Numerical Mathematics, 2025
- DOI för The numerical linear algebra of weights. Part I: from the spectral analysis to conditioning and preconditioning in the one-dimensional Laplacian case
- Ladda ner fulltext (pdf) av The numerical linear algebra of weights. Part I: from the spectral analysis to conditioning and preconditioning in the one-dimensional Laplacian case
Ingår i Numerical Algorithms, s. 277-309, 2025
Generalized Locally Toeplitz matrix-sequences and approximated PDEs on submanifolds: the flat case
Ingår i Linear and multilinear algebra, s. 1902-1924, 2025
New Asymptotic and Oscillatory Results for Third-Order Noncanonical Advanced Differential Equations
Ingår i Mathematics, 2025
- DOI för New Asymptotic and Oscillatory Results for Third-Order Noncanonical Advanced Differential Equations
- Ladda ner fulltext (pdf) av New Asymptotic and Oscillatory Results for Third-Order Noncanonical Advanced Differential Equations
Spectral properties of flipped Toeplitz matrices and computational applications
Ingår i Applied Mathematics and Computation, 2025
- DOI för Spectral properties of flipped Toeplitz matrices and computational applications
- Ladda ner fulltext (pdf) av Spectral properties of flipped Toeplitz matrices and computational applications
Block structures, g.a.c.s. approximation, and distributions
Ingår i Boletín de la Sociedad Matematica Mexicana, 2025
- DOI för Block structures, g.a.c.s. approximation, and distributions
- Ladda ner fulltext (pdf) av Block structures, g.a.c.s. approximation, and distributions
Matrix-Sequences of Geometric Means in the Case of Hidden (Asymptotic) Structures
Ingår i Mathematics, 2025
- DOI för Matrix-Sequences of Geometric Means in the Case of Hidden (Asymptotic) Structures
- Ladda ner fulltext (pdf) av Matrix-Sequences of Geometric Means in the Case of Hidden (Asymptotic) Structures
Ingår i Linear Algebra and its Applications, s. 551-584, 2025
- DOI för Asymptotic spectral properties and preconditioning of an approximated nonlocal Helmholtz equation with fractional Laplacian and variable coefficient wave number μ
- Ladda ner fulltext (pdf) av Asymptotic spectral properties and preconditioning of an approximated nonlocal Helmholtz equation with fractional Laplacian and variable coefficient wave number μ
Spectral characterizations and integer powers of tridiagonal 2-Toeplitz matrices
Ingår i Numerical Algorithms, 2024
Ingår i Numerical Linear Algebra with Applications, 2024
- DOI för Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study
- Ladda ner fulltext (pdf) av Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study
Modeling Excitable Cells with the EMI Equations: Spectral Analysis and Iterative Solution Strategy
Ingår i Journal of Scientific Computing, 2024
- DOI för Modeling Excitable Cells with the EMI Equations: Spectral Analysis and Iterative Solution Strategy
- Ladda ner fulltext (pdf) av Modeling Excitable Cells with the EMI Equations: Spectral Analysis and Iterative Solution Strategy
Fast algebraic multigrid for block-structured dense systems arising from nonlocal diffusion problems
Ingår i Calcolo, 2024
- DOI för Fast algebraic multigrid for block-structured dense systems arising from nonlocal diffusion problems
- Ladda ner fulltext (pdf) av Fast algebraic multigrid for block-structured dense systems arising from nonlocal diffusion problems
New Monotonic Properties for Solutions of Odd-Order Advanced Nonlinear Differential Equations
Ingår i Symmetry, 2024
- DOI för New Monotonic Properties for Solutions of Odd-Order Advanced Nonlinear Differential Equations
- Ladda ner fulltext (pdf) av New Monotonic Properties for Solutions of Odd-Order Advanced Nonlinear Differential Equations
Eigenvalue superposition for Toeplitz matrix-sequences with matrix order dependent symbols
Ingår i Linear Algebra and its Applications, s. 487-527, 2024
- DOI för Eigenvalue superposition for Toeplitz matrix-sequences with matrix order dependent symbols
- Ladda ner fulltext (pdf) av Eigenvalue superposition for Toeplitz matrix-sequences with matrix order dependent symbols
Ingår i AXIOMS, 2024
- DOI för More Effective Criteria for Testing the Oscillation of Solutions of Third-Order Differential Equations
- Ladda ner fulltext (pdf) av More Effective Criteria for Testing the Oscillation of Solutions of Third-Order Differential Equations
Ingår i Algorithms, 2024
- DOI för Clustering/Distribution Analysis and Preconditioned Krylov Solvers for the Approximated Helmholtz Equation and Fractional Laplacian in the Case of Complex-Valued, Unbounded Variable Coefficient Wave Number μ
- Ladda ner fulltext (pdf) av Clustering/Distribution Analysis and Preconditioned Krylov Solvers for the Approximated Helmholtz Equation and Fractional Laplacian in the Case of Complex-Valued, Unbounded Variable Coefficient Wave Number μ
GLT sequences and automatic computation of the symbol
Ingår i Linear Algebra and its Applications, s. 468-486, 2024
- DOI för GLT sequences and automatic computation of the symbol
- Ladda ner fulltext (pdf) av GLT sequences and automatic computation of the symbol
Ingår i Applied Mathematics and Computation, 2024
Ingår i AXIOMS, 2024
- DOI för New Conditions for Testing the Oscillation of Solutions of Second-Order Nonlinear Differential Equations with Damped Term
- Ladda ner fulltext (pdf) av New Conditions for Testing the Oscillation of Solutions of Second-Order Nonlinear Differential Equations with Damped Term
The β maps: Strong clustering and distribution results on the complex unit circle
Ingår i Linear Algebra and its Applications, s. 365-383, 2024
- DOI för The β maps: Strong clustering and distribution results on the complex unit circle
- Ladda ner fulltext (pdf) av The β maps: Strong clustering and distribution results on the complex unit circle
Ingår i Numerical Algorithms, s. 1769-1799, 2024
Ingår i Numerical Linear Algebra with Applications, 2024
- DOI för Algebra preconditionings for 2D Riesz distributed-order space-fractional diffusion equations on convex domains
- Ladda ner fulltext (pdf) av Algebra preconditionings for 2D Riesz distributed-order space-fractional diffusion equations on convex domains
Ingår i Journal of Computational and Applied Mathematics, 2024
One or two frequencies?: The Iterative Filtering answers
Ingår i Applied Mathematics and Computation, 2024
- DOI för One or two frequencies?: The Iterative Filtering answers
- Ladda ner fulltext (pdf) av One or two frequencies?: The Iterative Filtering answers
Ingår i Algorithms, 2023
- DOI för ω-Circulant Matrices: A Selection of Modern Applications from Preconditioning of Approximated PDEs to Subdivision Schemes
- Ladda ner fulltext (pdf) av ω-Circulant Matrices: A Selection of Modern Applications from Preconditioning of Approximated PDEs to Subdivision Schemes
Approximation results for Beta Jakimovski-Leviatan type operators via q-analogue
Ingår i Filomat, s. 8389-8404, 2023
Ingår i SIAM Journal on Matrix Analysis and Applications, s. 1477-1509, 2023
Ingår i Numerical Linear Algebra with Applications, 2023
A block Toeplitz preconditioner for all-at-once systems from linear wave equations
Ingår i Electronic Transactions on Numerical Analysis, s. 177-195, 2023
Recognizing seizure using Poincaré plot of EEG signals and graphical features in DWT domain
Ingår i Bratislava Medical Journal, s. 12-24, 2023
Ingår i Linear Algebra and its Applications, s. 10-43, 2023
- DOI för Spectral and norm estimates for matrix-sequences arising from a finite difference approximation of elliptic operators
- Ladda ner fulltext (pdf) av Spectral and norm estimates for matrix-sequences arising from a finite difference approximation of elliptic operators
Ingår i Electronic Transactions on Numerical Analysis, s. 585-617, 2022
Statistical Convergence via q-Calculus and a Korovkin's Type Approximation Theorem
Ingår i Axioms, 2022
- DOI för Statistical Convergence via q-Calculus and a Korovkin's Type Approximation Theorem
- Ladda ner fulltext (pdf) av Statistical Convergence via q-Calculus and a Korovkin's Type Approximation Theorem
Ingår i Electronic Transactions on Numerical Analysis, s. 1-8, 2022
Band-Toeplitz preconditioners for ill-conditioned Toeplitz systems
Ingår i BIT Numerical Mathematics, s. 465-491, 2022
Ingår i Electronic Transactions on Numerical Analysis, s. 76-91, 2022
- DOI för Upper Hessenberg and Toeplitz Bohemian matrix sequences: a note on their asymptotical eigenvalues and singular values
- Ladda ner fulltext (pdf) av Upper Hessenberg and Toeplitz Bohemian matrix sequences: a note on their asymptotical eigenvalues and singular values
Fine spectral estimates with applications to the optimally fast solution of large FDE linear systems
Ingår i BIT Numerical Mathematics, s. 1417-1431, 2022
- DOI för Fine spectral estimates with applications to the optimally fast solution of large FDE linear systems
- Ladda ner fulltext (pdf) av Fine spectral estimates with applications to the optimally fast solution of large FDE linear systems
Ingår i Numerical Linear Algebra with Applications, 2022
- DOI för Spectral analysis of the finite element matrices approximating 2D linearly elastic structures and multigrid proposals
- Ladda ner fulltext (pdf) av Spectral analysis of the finite element matrices approximating 2D linearly elastic structures and multigrid proposals
Ingår i Linear and multilinear algebra, s. 1-12, 2022
Ingår i Numerical Algorithms, s. 1653-1676, 2022
Ingår i Linear Algebra and its Applications, s. 51-82, 2022
Ingår i Mathematical and Computational Applications, 2022
- DOI för Spectral Analysis of the Finite Element Matrices Approximating 3D Linearly Elastic Structures and Multigrid Proposals
- Ladda ner fulltext (pdf) av Spectral Analysis of the Finite Element Matrices Approximating 3D Linearly Elastic Structures and Multigrid Proposals
The smallest singular value of certain Toeplitz-related parametric triangular matrices
Ingår i Special Matrices, s. 103-111, 2021
- DOI för The smallest singular value of certain Toeplitz-related parametric triangular matrices
- Ladda ner fulltext (pdf) av The smallest singular value of certain Toeplitz-related parametric triangular matrices
Fast Parallel Solver for the Space-time IgA-DG Discretization of the Diffusion Equation
Ingår i Journal of Scientific Computing, 2021
- DOI för Fast Parallel Solver for the Space-time IgA-DG Discretization of the Diffusion Equation
- Ladda ner fulltext (pdf) av Fast Parallel Solver for the Space-time IgA-DG Discretization of the Diffusion Equation
Ingår i Numerical Linear Algebra with Applications, 2021
Symbol-based preconditioning for Riesz distributed-order space-fractional diffusion equations
Ingår i Electronic Transactions on Numerical Analysis, s. 499-513, 2021
Multigrid methods for block-Toeplitz linear systems: convergence analysis and applications
Ingår i Numerical Linear Algebra with Applications, 2021
Ingår i Numerische Mathematik, s. 933-971, 2021
Ingår i The Electronic Journal of Linear Algebra, s. 370-386, 2021
Ingår i Frontiers in Physics, 2020
Block generalized locally Toeplitz sequences: theory and applications in the unidimensional case
Ingår i Electronic Transactions on Numerical Analysis, s. 28-112, 2020
Block generalized locally Toeplitz sequences: theory and applications in the multidimensional case
Ingår i Electronic Transactions on Numerical Analysis, s. 113-216, 2020
Fractional Laplace operator in two dimensions, approximating matrices, and related spectral analysis
Ingår i Calcolo, 2020
Ingår i Numerical Linear Algebra with Applications, 2020
On using a zero lower bound on the physical density in material distribution topology optimization
Ingår i Computer Methods in Applied Mechanics and Engineering, 2020
Ingår i Numerical Linear Algebra with Applications, 2020
Asymptotic Spectra of Large (Grid) Graphs with a Uniform Local Structure (Part I): Theory
Ingår i Milan Journal of Mathematics, s. 409-454, 2020
- DOI för Asymptotic Spectra of Large (Grid) Graphs with a Uniform Local Structure (Part I): Theory
- Ladda ner fulltext (pdf) av Asymptotic Spectra of Large (Grid) Graphs with a Uniform Local Structure (Part I): Theory
NURBS in isogeometric discretization methods: A spectral analysis
Ingår i Numerical Linear Algebra with Applications, 2020
Eigenpairs of some particular band Toeplitz matrices: A comment
Ingår i Numerical Linear Algebra with Applications, 2020
A Multigrid method for nonlocal problems: non-diagonally dominant Toeplitz-plus-tridiagonal systems
Ingår i SIAM Journal on Matrix Analysis and Applications, s. 1546-1570, 2020
Computation of Asymptotic Spectral Distributions for Sequences of Grid Operators
Ingår i Computational Mathematics and Mathematical Physics, s. 1761-1777, 2020
Ingår i Seismological Research Letters, s. 2611-2623, 2020
Ingår i Applied Mathematics and Computation, 2020
A note on the spectral distribution of symmetrized Toeplitz sequences
Ingår i Linear Algebra and its Applications, s. 32-50, 2019
Ingår i SIAM Journal on Matrix Analysis and Applications, s. 1066-1086, 2019
Spectral and convergence analysis of the discrete ALIF method
Ingår i Linear Algebra and its Applications, s. 62-95, 2019
Block GLT sequences: Matrix functions and engineering application
Ingår i The Electronic Journal of Linear Algebra, s. 204-222, 2019
A merged tuning of binary and ternary Loop's subdivision
Ingår i Computer Aided Geometric Design, s. 27-44, 2019
Ingår i Mathematics of Computation, s. 1155-1188, 2019
Isogeometric analysis for 2D and 3D curl–div problems: Spectral symbols and fast iterative solvers
Ingår i Computer Methods in Applied Mechanics and Engineering, s. 970-997, 2019
Ingår i Climate of the Past, s. 709-724, 2018
Spectral analysis of finite-dimensional approximations of 1d waves in non-uniform grids
Ingår i Calcolo, 2018
Are the eigenvalues of banded symmetric Toeplitz matrices known in almost closed form?
Ingår i Experimental Mathematics, s. 478-487, 2018
- DOI för Are the eigenvalues of banded symmetric Toeplitz matrices known in almost closed form?
- Ladda ner fulltext (pdf) av Are the eigenvalues of banded symmetric Toeplitz matrices known in almost closed form?
Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols
Ingår i Numerical Linear Algebra with Applications, 2018
Ingår i Numerical Linear Algebra with Applications, 2018
Exact formulæ and matrix-less eigensolvers for block banded symmetric Toeplitz matrices
Ingår i BIT Numerical Mathematics, s. 937-968, 2018
Ingår i Numerical Linear Algebra with Applications, 2018
Block generalized locally Toeplitz sequences: From the theory to the applications
Ingår i Axioms, 2018
Ingår i SIAM Journal on Matrix Analysis and Applications, s. 1383-1420, 2018
Ingår i SIAM Journal on Scientific Computing, 2018
Ingår i Journal of Scientific Computing, s. 1034-1059, 2018
Ingår i Journal of Fourier Analysis and Applications, s. 506-524, 2018
Generalized Newton multi-step iterative methods GMNp,m for solving systems of nonlinear equations
Ingår i International Journal of Computer Mathematics, s. 881-897, 2018
Ingår i Numerical Algorithms, s. 867-893, 2018
Ingår i Applied Numerical Mathematics, s. 1-1, 2017
Spectral analysis and spectral symbol of matrices in isogeometric Galerkin methods
Ingår i Mathematics of Computation, s. 1343-1373, 2017
Ingår i Journal of Computational Analysis And Applications, s. 445-461, 2017
Optimizing a multigrid Runge–Kutta smoother for variable-coefficient convection–diffusion equations
Ingår i Linear Algebra and its Applications, s. 507-535, 2017
Function-based block multigrid strategy for a two-dimensional linear elasticity-type problem
Ingår i Computers and Mathematics with Applications, s. 1015-1028, 2017
Ingår i Applied Mathematics and Computation, s. 199-211, 2017
Symbol-based multigrid methods for Galerkin B-spline isogeometric analysis
Ingår i SIAM Journal on Numerical Analysis, s. 31-62, 2017
Ingår i Journal of Mathematical Analysis and Applications, s. 365-382, 2017
Exploration of Toeplitz-like matrices with unbounded symbols is not a purely academic journey
Ingår i Sbornik. Mathematics, s. 1602-1627, 2017
Ingår i Algorithms, 2016
A family of iterative methods for solving systems of nonlinear equations having unknown multiplicity
Ingår i Algorithms, 2016
Ingår i Linear Algebra and its Applications, s. 138-160, 2016
Solving systems of nonlinear equations when the nonlinearity is expensive
Ingår i Computers and Mathematics with Applications, s. 1464-1478, 2016
Spectral analysis and structure preserving preconditioners for fractional diffusion equations
Ingår i Journal of Computational Physics, s. 262-279, 2016
Ingår i Numerical Linear Algebra with Applications, s. 83-119, 2016
Ingår i Linear Algebra and its Applications, s. 276-291, 2016
Ingår i Computer Methods in Applied Mechanics and Engineering, s. 74-105, 2016
Spectral analysis and spectral symbol of matrices in isogeometric collocation methods
Ingår i Mathematics of Computation, s. 1639-1680, 2016
Optimal preconditioning for image deblurring with Anti-Reflective boundary conditions
Ingår i Linear Algebra and its Applications, s. 159-185, 2016
Multigrid methods for cubic spline solution of two point (and 2D) boundary value problems
Ingår i Applied Numerical Mathematics, s. 15-29, 2016
Ingår i Calcolo, s. 425-444, 2015
Ingår i Numerical Linear Algebra with Applications, s. 123-144, 2015
Spectral analysis and spectral symbol of d-variate Qp Lagrangian FEM stiffness matrices
Ingår i SIAM Journal on Matrix Analysis and Applications, s. 1100-1128, 2015
A general tool for determining the asymptotic spectral distribution of Hermitian matrix-sequences
Ingår i Operators and Matrices, s. 549-561, 2015
Two-grid optimality for Galerkin linear systems based on B-splines
Ingår i Computing and Visualization in Science, s. 119-133, 2015
Iterated fractional Tikhonov regularization
Ingår i Inverse Problems, 2015
Robust and optimal multi-iterative techniques for IgA Galerkin linear systems
Ingår i Computer Methods in Applied Mechanics and Engineering, s. 230-264, 2015
Ingår i Integral equations and operator theory, s. 213-225, 2015
Robust and optimal multi-iterative techniques for IgA collocation linear systems
Ingår i Computer Methods in Applied Mechanics and Engineering, s. 1120-1146, 2015
Ingår i Applied Mathematics and Computation, s. 972-987, 2015
Accelerated multigrid for graph Laplacian operators
Ingår i Applied Mathematics and Computation, s. 193-215, 2015
On an augmented Lagrangian-based preconditioning of Oseen type problems
Ingår i BIT Numerical Mathematics, s. 865-888, 2011
Stability of the notion of approximating class of sequences and applications
Ingår i Journal of Computational and Applied Mathematics, s. 518-536, 2008
Can one hear the composition of a drum?
Ingår i Mediterranean Journal of Mathematics, s. 227-249, 2006
Artiklar, forskningsöversikt
Ingår i Applied Mathematics and Computation, 2025
Ingår i Archives of Computational Methods in Engineering, s. 1639-1690, 2019
Ingår i Boletín de la Sociedad Matematica Mexicana, s. 529-565, 2016
Ingår i Applied Mathematics and Computation, s. 249-259, 2015
Böcker
Kapitel i böcker, delar av antologi
Numerical Simulations of Marble Sulfation
Ingår i Mathematical Modeling in Cultural Heritage, s. 107-122, Springer International Publishing, 2020
Eigenvalue isogeometric approximations based on B-splines: Tools and results
Ingår i Advanced Methods for Geometric Modeling and Numerical Simulation, s. 57-76, Springer, 2019
Block locally Toeplitz sequences: Construction and properties
Ingår i Structured Matrices in Numerical Linear Algebra, s. 25-58, Springer, 2019
Ingår i Structured Matrices in Numerical Linear Algebra, s. 59-79, Springer, 2019
Ingår i Splines and PDEs, s. 161-236, Springer, 2018
Ingår i Large Truncated Toeplitz Matrices, Toeplitz Operators, and Related Topics, s. 353-394, Springer, 2017
Canonical eigenvalue distribution of multilevel block Toeplitz sequences with non-Hermitian symbols
Ingår i Spectral Theory, Mathematical System Theory, Evolution Equations, Differential and Difference Equations, s. 269-291, Springer, 2012
Konferensbidrag
Ingår i Large-Scale Scientific Computations, LSSC 2023, s. 52-60, 2024
Multilevel Generalized Locally Toeplitz Sequences: An Overview and an Example of Application
Ingår i International Conference on Numerical Analysis and Applied Mathematics (ICNAAM-2018), 2019
Ingår i Large-Scale Scientific Computing, s. 419-426, 2015
Rapporter
Fast parallel solver for the space–time IgA–DG discretization of the anisotropic diffusion equation
2019
Block generalized locally Toeplitz sequences: Theory and applications in the multidimensional case
2019
Block generalized locally Toeplitz sequences: Theory and applications
2019
Block generalized locally Toeplitz sequences: Theory and applications in the unidimensional case
2019
Exact formulæ and matrix-less eigensolvers for block banded symmetric Toeplitz matrices
2018
Eigenvalue isogeometric approximations based on B-splines: Tools and results
2018
Discontinuous Galerkin discretization of the heat equation in any dimension: The spectral symbol
2018
2018
How to extend the application scope of GLT-sequences
2018
The theory of block generalized locally Toeplitz sequences
2018
Block generalized locally Toeplitz sequences: From the theory to the applications
2018
Are the eigenvalues of the B-spline IgA approximation of −Δu = λu known in almost closed form?
2017
2017
Eigenvalues and eigenvectors of banded Toeplitz matrices and the related symbols
2017
Generalized locally Toeplitz sequences: Theory and applications
2017
2017
Spectral analysis of finite-difference approximations of 1-d waves in non-uniform grids
2017
Spectral and convergence analysis of the discrete ALIF method
2017
A block multigrid strategy for two-dimensional coupled PDEs
2016
Eigenvalues of banded symmetric Toeplitz matrices are known almost in closed form?
2016
2016
2015
Generalized locally Toeplitz sequences: a review and an extension
2015
2015
2015
2015
Spectral analysis and spectral symbol of matrices in isogeometric Galerkin methods
2015
Spectral analysis and structure preserving preconditioners for fractional diffusion equations
2015
Spectral analysis and spectral symbol of d-variate Qp Lagrangian FEM stiffness matrices
2014
Toeplitz matrices: Spectral properties and preconditioning in the CG method
2014
2014
On an augmented Lagrangian-based preconditioning of Oseen type problems
2010