Výsledky vyhledávání - "Scientific Computing with specialization in Numerical Analysis"

Asymptotic spectral properties and preconditioning of an approximated nonlocal Helmholtz equation with fractional Laplacian and variable coefficient wave number μ

Autoři: Adriani, Andrea Sormani, Rosita L Tablino-Possio, Cristina a další

Zdroj: Linear Algebra and its Applications. 708:551-584

Témata: Fractional derivatives, Helmholtz equations, Singular value and eigenvalue asymptotics, Generalized locally Toeplitz sequences, Spectral symbol, Preconditioning, Clustering, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-546221
https://doi.org/10.1016/j.laa.2024.12.015

Numerical solution of quantum Landau-Lifshitz-Gilbert equation

Autoři: Azimi Mousolou, Vahid Mirzaei, Davoud

Zdroj: Computer Physics Communications. 319

Témata: Quantum Landau-Lifshitz-Gilbert equation, Many-body quantum system, Quantum correlation and entanglement, Runge-Kutta methods, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis, Fysik, Physics

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-572161
https://doi.org/10.1016/j.cpc.2025.109911

Projection based summation-by-parts methods, embeddings and the pseudoinverse

Autoři: Olsson, Pelle Eriksson, Gustav Mattsson, Ken

Zdroj: Journal of Computational Physics. 524

Témata: Finite difference methods, High-order accuracy, Stability, Boundary treatment, Projection method, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-546211
https://doi.org/10.1016/j.jcp.2024.113689

Matrix-less spectral approximation for large structured matrices

Autoři: Barbarino, Giovanni Claesson, Melker Ekström, Sven-Erik, Doctor a další

Zdroj: BIT Numerical Mathematics. 65(1)

Témata: Spectral approximation, Structured matrices, Discretization matrices, Generalized locally Toeplitz sequences, Eigenvalue expansion, Interpolation and extrapolation, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-546220
https://doi.org/10.1007/s10543-024-01041-w

Numerical simulation of the generalized modified Benjamin-Bona-Mahony equation using SBP-SAT in time

Autoři: Kjelldahl, Vilma Mattsson, Ken

Zdroj: Journal of Computational and Applied Mathematics. 459

Témata: Benjamin-Bona-Mahony equation, Non-linear, Initial boundary value problem, Summation-by-parts, Simultaneous-approximation-terms, Time integration, Boundary conditions, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-544243
https://doi.org/10.1016/j.cam.2024.116377

Numerical integration of mechanical forces in center-based models for biological cell populations

Autoři: Lötstedt, Per Mathias, Sonja

Zdroj: eSSENCE - An eScience Collaboration Applied Mathematics and Computation. 486

Témata: Center-based model, Time integration, Adaptivity, Gradient system, Numerical methods, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-540948
https://doi.org/10.1016/j.amc.2024.129069

Stability estimates for radial basis function methods applied to linear scalar conservation laws

Autoři: Tominec, Igor Nazarov, Murtazo Larsson, Elisabeth

Zdroj: Applied Mathematics and Computation. 485

Témata: Radial basis function, Stability, Hyperbolic PDE, Kansa, RBF-PUM, RBF-FD, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-538285
https://doi.org/10.1016/j.amc.2024.129020

Approximating Moving Point Sources in Hyperbolic Partial Differential Equations

Autoři: Ljungberg Rydin, Ylva Almquist, Martin

Zdroj: Journal of Scientific Computing. 103(2)

Témata: Finite difference methods, Moving point source, Discrete delta distribution, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-464026
https://doi.org/10.1007/s10915-025-02834-z

A bound preserving cut discontinuous Galerkin method for one dimensional hyperbolic conservation laws

Autoři: Fu, Pei Kreiss, Gunilla Zahedi, Sara

Zdroj: ESAIM. 58(5):1651-1680

Témata: Hyperbolic conservation laws, discontinuous Galerkin method, cut elements, satisfying maximum principle, positivity preserving, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-540124
https://doi.org/10.1051/m2an/2024042

GLT sequences and automatic computation of the symbol

Autoři: Sarathkumar, N. S. Serra-Capizzano, Stefano

Zdroj: Linear Algebra and its Applications. 697:468-486

Témata: Singular value and eigenvalue, asymptotics, Generalized Locally Toeplitz, sequences, Spectral symbol, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-534797
https://doi.org/10.1016/j.laa.2024.03.024

Eigenvalue superposition for Toeplitz matrix-sequences with matrix order dependent symbols

Autoři: Bogoya, M. Grudsky, S. M. Serra-Capizzano, Stefano

Zdroj: Linear Algebra and its Applications. 697:487-527

Témata: Eigenvalue expansion, Toeplitz matrix, Asymptotic expansion, Matrix-less method, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-534806
https://doi.org/10.1016/j.laa.2024.04.019

The β maps: Strong clustering and distribution results on the complex unit circle

Autoři: Schiavoni-Piazza, Alec J. A. Meadon, David Serra, Stefano

Zdroj: Linear Algebra and its Applications. 697:365-383

Témata: beta maps, Eigenvalue clustering, Toeplitz matrix and matrix-sequence, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-534773
https://doi.org/10.1016/j.laa.2024.05.014

Accuracy analysis for explicit-implicit finite volume schemes on cut cell meshes

Autoři: May, Sandra Laakmann, Fabian

Zdroj: Communications in Applied Mathematics and Computational Science. 6(4):2239-2264

Témata: Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-517781
https://doi.org/10.1007/s42967-023-00345-y

Spectral and norm estimates for matrix-sequences arising from a finite difference approximation of elliptic operators

Autoři: Coco, Armando Ekström, Sven-Erik, Doctor Russo, Giovanni a další

Zdroj: Linear Algebra and its Applications. 667:10-43

Témata: Toeplitz matrix, Generating function and spectral symbol, Approximation of differential operators, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-500600
https://doi.org/10.1016/j.laa.2023.03.005

A note on the spectral analysis of matrix sequences via GLT momentary symbols: from all-at-once solution of parabolic problems to distributed fractional order matrices

Autoři: Bolten, Matthias Ekström, Sven-Erik, Doctor Furci, Isabella a další

Zdroj: Electronic Transactions on Numerical Analysis. 58:136-163

Témata: Toeplitz matrices, asymptotic distribution of eigenvalues and singular values, numerical solution of discretized equations for boundary value problems involving PDEs, fractional differential equations, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-495825
https://doi.org/10.1553/etna_vol58s136

A fault detection method based on partition of unity and kernel approximation

Autoři: Mirzaei, Davoud Soodbakhsh, Navid

Zdroj: Numerical Algorithms. 93(4):1759-1794

Témata: Partition of unity, Radial basis functions, Polyharmonic splines, Fault curves, Fault points, Principal component regression, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-495533
https://doi.org/10.1007/s11075-022-01488-4

Stage-parallel fully implicit Runge-Kutta implementations with optimal multilevel preconditioners at the scaling limit

Autoři: Munch, Peter Dravins, Ivo Kronbichler, Martin a další

Zdroj: eSSENCE - An eScience Collaboration SIAM Journal on Scientific Computing. 46(2):71-96

Témata: implicit Runge–Kutta methods, Radau quadrature, stage-parallel preconditioning, finite element methods, matrix-free methods, geometric multigrid, massively parallel, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: print

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-492935
https://doi.org/10.1137/22M1503270

Flipped structured matrix-sequences in image deblurring with reflective and anti-reflective boundary conditions

Autoři: Ferrari, Paola Furci, Isabella Serra, Stefano

Zdroj: Numerical Algorithms. 100(1):277-309

Témata: Krylov iterative methods, Ill-posedness and regularization problems, Eigenvalue and singular value distributions, Imaging and signal processing, Reflective and anti-reflective BCs, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: print

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-546425

Generalized Locally Toeplitz matrix-sequences and approximated PDEs on submanifolds: the flat case

Autoři: Adriani, Andrea Semplice, Matteo Serra, Stefano

Zdroj: Linear and multilinear algebra. 73(9):1902-1924

Témata: Toeplitz sequences, discretization of PDEs, spectral distribution of matrix-sequences, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: print

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-519367

An improved numerical scheme for coffee Extraction Yield evaluation

Autoři: Egidi, Nadaniela Giacomini, Josephin Larsson, Elisabeth a další

Zdroj: eSSENCE - An eScience Collaboration Chaos, Solitons & Fractals. 188

Témata: Advection-diffusion-reaction equation, Radial basis functions, Coffee percolation, Collocation method, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Popis souboru: electronic

Přístupová URL adresa: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-541311
https://doi.org/10.1016/j.chaos.2024.115625