Ausgabe 2/2022
Inhalt (13 Artikel)
Pointwise and uniform error estimates associated with Abel-Whittaker interpolation series and its dual
M. H. Annaby, S. R. Elsayed-Abdullah
Open Access
Rational Krylov methods for fractional diffusion problems on graphs
Michele Benzi, Igor Simunec
A new splitting algorithm for dynamical low-rank approximation motivated by the fibre bundle structure of matrix manifolds
Marie Billaud-Friess, Antonio Falcó, Anthony Nouy
Open Access
Research Paper
Grid independent convergence using multilevel circulant preconditioning: Poisson’s equation
Henrik Brandén
Band-Toeplitz preconditioners for ill-conditioned Toeplitz systems
Sean Hon, Stefano Serra-Capizzano, Andy Wathen
Positivity-preserving symplectic methods for the stochastic Lotka–Volterra predator-prey model
Jialin Hong, Lihai Ji, Xu Wang, Jingjing Zhang
Band-times-circulant preconditioners for non-symmetric Toeplitz systems
Dimitrios Noutsos, Grigorios Tachyridis
An accelerated minimal gradient method with momentum for strictly convex quadratic optimization
Harry Oviedo, Oscar Dalmau, Rafael Herrera
Open Access
An efficient hybrid method for uncertainty quantification
Markus Wahlsten, Oskar Ålund, Jan Nordström
Efficient shifted fractional trapezoidal rule for subdiffusion problems with nonsmooth solutions on uniform meshes
Baoli Yin, Yang Liu, Hong Li, Zhimin Zhang
A fully structured preconditioner for a class of complex symmetric indefinite linear systems
Zhong Zheng, Jing Chen, Yue-Fen Chen