Copertina

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

Fuente: arXiv

Salvato in:

Dettagli Bibliografici
Autori principali:	Adriani, Andrea, Sormani, Rosita Luisa, Tablino-Possio, Cristina, Krause, Rolf, Serra-Capizzano, Stefano
Natura:	Preprint
Pubblicazione:	2024
Soggetti:	Numerical Analysis 65F08, 35R11, 65N22, 15A18, 47B35
Accesso online:	Acceder al recurso
Tags:	Aggiungi Tag Nessun Tag, puoi essere il primo ad aggiungerne!!

Documenti analoghi

The numerical linear algebra of weights: from the spectral analysis to conditioning and preconditioning in the Laplacian case
di: Bruno, Ludovico Bruni, et al.
Pubblicazione: (2023)

Dense cell-by-cell systems of PDEs: approximation, spectral analysis, and preconditioning
di: Benedusi, Pietro, et al.
Pubblicazione: (2024)

Block triangular preconditioning for inverse source problems in time-space fractional diffusion equations
di: Majumdar, Monoswini, et al.
Pubblicazione: (2025)

Vanka-smoothed shifted Laplacian multigrid preconditioners for the Helmholtz equations
di: Yovel, Rachel, et al.
Pubblicazione: (2025)

A note on eigenvalues and singular values of variable Toeplitz matrices and matrix-sequences, with application to variable two-step BDF approximations to parabolic equations
di: Barakitis, Nikos, et al.
Pubblicazione: (2024)

Symbol-based multilevel block $τ$ preconditioners for multilevel block Toeplitz systems: GLT-based analysis and applications
di: Hon, Sean Y., et al.
Pubblicazione: (2024)

A matrix-based spectral method for the numerical approximation of the fractional Laplacian and the fractional $p$-Laplacian of functions defined on $\mathbb R^n$
di: Constantin, Loïc, et al.
Pubblicazione: (2026)

Blocking structures, approximation, and preconditioning
di: Barakitis, Nikos, et al.
Pubblicazione: (2025)

Block Jacobi/Gauss-Seidel preconditioning for GLT sequences, and GLH sequences
di: Garoni, Carlo, et al.
Pubblicazione: (2026)

Approximating and preconditioning the stiffness matrix in the GoFD approximation of the fractional Laplacian
di: Huang, Weizhang, et al.
Pubblicazione: (2024)

A preconditioned boundary value method for advection-diffusion equations with half Laplacian via spectrum doubling
di: Yuan, Pu, et al.
Pubblicazione: (2025)

Asymptotic-preserving and energy stable dynamical low-rank approximation for thermal radiative transfer equations
di: Patwardhan, Chinmay, et al.
Pubblicazione: (2024)

On some 1D nonlocal models with coefficients changing sign
di: Daoud, Maha
Pubblicazione: (2026)

A minimax method for the spectral fractional Laplacian and related evolution problems
di: Carrillo, José A., et al.
Pubblicazione: (2025)

Achieving wavenumber robustness in domain decomposition for heterogeneous Helmholtz equation: an overview of spectral coarse spaces
di: Dolean, Victorita, et al.
Pubblicazione: (2025)

A new interpolated pseudodifferential preconditioner for the Helmholtz equation in heterogeneous media
di: Acosta, Sebastian, et al.
Pubblicazione: (2024)

Degenerate or singular parabolic systems with partially DMO coefficients: the Dirichlet problem
di: Dong, Hongjie, et al.
Pubblicazione: (2025)

Schauder type estimates for degenerate or singular parabolic systems with partially DMO coefficients
di: Dong, Hongjie, et al.
Pubblicazione: (2025)

Aggregation-Confinement-Diffusion Evolutions with Saturation: Regularity and Long-Time Asymptotics
di: Alamri, Yousef
Pubblicazione: (2025)

Preconditioning of a pollution-free discretization of the Helmholtz equation
di: Monsuur, Harald
Pubblicazione: (2025)

Analysis of eigenvalue clustering leads to optimal scaling in numerical radiative transfer
di: Benedusi, Pietro, et al.
Pubblicazione: (2026)

Minimizing Eigenvalues of the Fractional Laplacian
di: Zahl, Alvis
Pubblicazione: (2025)

Subordination based approximation of Caputo fractional propagator and related numerical methods
di: Sytnyk, Dmytro
Pubblicazione: (2025)

On the Aw-Rascle-Zhang traffic models with nonlocal look-ahead interactions
di: Hamori, Thomas, et al.
Pubblicazione: (2024)

Numerical identification of the time-dependent coefficient in the heat equation with fractional Laplacian
di: Altybay, Arshyn, et al.
Pubblicazione: (2025)

Stability estimates for systems of nonlocal balance laws with memory
di: Aggarwal, Aekta, et al.
Pubblicazione: (2026)

Milstein-type schemes for McKean-Vlasov SDEs driven by Brownian motion and Poisson random measure (with super-linear coefficients)
di: Biswas, Sani, et al.
Pubblicazione: (2024)

A note on the shift theorem for the Laplacian in polygonal domains (extended version)
di: Melenk, Jens Markus, et al.
Pubblicazione: (2024)

Asymptotic Preserving Linearly Implicit Additive IMEX-RK Finite Volume Schemes for Low Mach Number Isentropic Euler Equations
di: Samantaray, Saurav
Pubblicazione: (2024)

Uncertainty quantification for hyperbolic conservation laws with flux coefficients given by spatiotemporal random fields
di: Barth, Andrea, et al.
Pubblicazione: (2015)

FEM for 1D-problems involving the logarithmic Laplacian: error estimates and numerical implementation
di: Hernández-Santamaría, Víctor, et al.
Pubblicazione: (2023)

Maximal $L_q$-regularity of nonlocal parabolic equations in higher order Bessel potential spaces
di: Roidos, Nikolaos, et al.
Pubblicazione: (2021)

A backward problem for the time-fractional pseudo-parabolic equation with a variable coefficient
di: Altybay, Arshyn
Pubblicazione: (2026)

Discontinuous Galerkin approximation for a Stokes-Brinkman-type formulation for the eigenvalue problem in porous media
di: Lepe, Felipe, et al.
Pubblicazione: (2025)

Preconditioning of the generalized Stokes problem arising from the approximation of the time-dependent Navier-Stokes equations
di: Creff, Melvin, et al.
Pubblicazione: (2024)

Deterministic particle method for nonlinear nonlocal scalar balance equations
di: Radici, Emanuela, et al.
Pubblicazione: (2024)

Gradient Flows for the $p$-Laplacian Arising from Biological Network Models: A Novel Dynamical Relaxation Approach
di: Haskovec, Jan, et al.
Pubblicazione: (2025)

Rational approximation to the fractional Laplacian operator in reaction-diffusion problems
di: Aceto, Lidia, et al.
Pubblicazione: (2016)

Adaptive finite element approximations of the first eigenpair associated with $p$-Laplacian
di: Li, Guanglian, et al.
Pubblicazione: (2024)

Structure-preserving finite-element approximations of the magnetic Euler-Poisson equations
di: Hoffart, Jordan, et al.
Pubblicazione: (2025)