Volume 55 (2022)
Title page
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Table of contents and abstracts
Pages i-xv;
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A survey on variational characterizations for nonlinear eigenvalue problems
Upper Hessenberg and Toeplitz Bohemian matrix sequences: a note on their asymptotical eigenvalues and singular values
The LSQR method for solving tensor least-squares problems
Analysis of parallel Schwarz algorithms for time-harmonic problems using block Toeplitz matrices
Sparse mixture models inspired by ANOVA decompositions
Graph Laplacian for image deblurring
Hierarchical model reduction driven by a proper orthogonal decomposition for parametrized advection-diffusion-reaction problems
Monte Carlo estimators for the Schatten p-norm of symmetric positive semidefinite matrices
On multidimensional sinc-Gauss sampling formulas for analytic functions
A decoupling finite element method with different time steps for the micropolar fluid model
One-step convergence of inexact Anderson acceleration for contractive and non-contractive mappings
A space-time isogeometric method for the partial differential-algebraic system of Biot's poroelasticity model
Exploiting compression in solving discretized linear systems
A monolithic algebraic multigrid framework for multiphysics applications with examples from resistive MHD
Modulus-based circulant and skew-circulant splitting iteration method for the linear complementarity problem with a Toeplitz matrix
On a compensated Ehrlich-Aberth method for the accurate computation of all polynomial roots
Error bounds for Gaussian quadrature formulae with Legendre weight function for analytic integrands
Decay bounds for Bernstein functions of Hermitian matrices with applications to the fractional graph Laplacian
Structured shifts for skew-symmetric matrices
Error analysis of a model order reduction framework for financial risk analysis
Computation of the nearest structured matrix triplet with common null space
A note on augmented unprojected Krylov subspace methods
When does the Lanczos algorithm compute exactly?
Analysis of stability and convergence for L-type formulas combined with a spatial finite element method for solving subdiffusion problems
Rectangular GLT sequences
A contribution to the conditioning of the mixed least-squares scaled total least-squares problem
Multivariate fractal interpolation functions: some approximation aspects and an associated fractal interpolation operator
A time-stepping finite element method for a time-fractional partial differential equation of hidden-memory space-time variable order
Constructing diffeomorphisms between simply connected plane domains
Porting an aggregation-based algebraic multigrid method to GPUs
A posteriori error estimates for stabilised mixed finite element methods for a nonlinear elliptic problem
A linear barycentric rational interpolant on starlike domains
Synchronous and asynchronous optimized Schwarz methods for Poisson's equation in rectangular domains