Richard Steven Varga, 1928–2022 Claude BrezinskiPhilippe G. Ciarlet Obituary 13 April 2022 Pages: 1 - 2
Extensions of Clenshaw-Curtis-type rules to integrals over a semi-infinite interval Hiroshi SugiuraTakemitsu Hasegawa Original Paper 10 August 2021 Pages: 3 - 30
All-at-once method for variable-order time fractional diffusion equations Hong-Kui PangHai-Hua QinHai-Wei Sun Original Paper 14 August 2021 Pages: 31 - 57
Structured backward error analysis for a class of block three-by-three saddle point problems Peng LvBing Zheng Original Paper 06 August 2021 Pages: 59 - 78
Exact inverse solution techniques for a class of complex valued block two-by-two linear systems Zhao-Zheng LiangOwe Axelsson Original Paper 06 August 2021 Pages: 79 - 98
Accelerated methods with fastly vanishing subgradients for structured non-smooth minimization Paul-Emile MaingéFlorian Labarre Original Paper 27 August 2021 Pages: 99 - 136
Unconditional stability and optimal error estimates of a Crank-Nicolson Legendre-Galerkin method for the two-dimensional second-order wave equation Wenjie LiuBoying Wu Original Paper 28 August 2021 Pages: 137 - 158
A local RBFs-based DQ approximation for Riesz fractional derivatives and its applications Xiaogang ZhuJimeng LiYaping Zhang Original Paper 01 September 2021 Pages: 159 - 196
Quantitative analysis of a subgradient-type method for equilibrium problems Nicholas PischkeUlrich Kohlenbach Original Paper Open access 23 August 2021 Pages: 197 - 219
Correction to: Quantitative analysis of a subgradient-type method for equilibrium problems Nicholas PischkeUlrich Kohlenbach Correction 04 October 2021 Pages: 221 - 221
A note on memory-less SR1 and memory-less BFGS methods for large-scale unconstrained optimization Neculai Andrei Original Paper 17 August 2021 Pages: 223 - 240
Generation of test matrices with specified eigenvalues using floating-point arithmetic Katsuhisa OzakiTakeshi Ogita Original Paper Open access 17 September 2021 Pages: 241 - 262
Orthogonal polynomials relative to weight functions of Prudnikov type Walter GautschiGradimir V. Milovanović Original Paper 28 August 2021 Pages: 263 - 270
A class of moving Kriging interpolation-based DQ methods to simulate multi-dimensional space Galilei invariant fractional advection-diffusion equation Mostafa AbbaszadehMehdi Dehghan Original Paper 15 October 2021 Pages: 271 - 299
Implicit algorithms for eigenvector nonlinearities Elias JarlebringParikshit Upadhyaya Original Paper Open access 02 September 2021 Pages: 301 - 321
A study of defect-based error estimates for the Krylov approximation of φ-functions Tobias Jawecki Original Paper Open access 08 November 2021 Pages: 323 - 361
On condition numbers of the total least squares problem with linear equality constraint Qiaohua LiuZhigang Jia Original Paper 01 February 2022 Pages: 363 - 385
A feasible proximal bundle algorithm with convexification for nonsmooth, nonconvex semi-infinite programming Li-Ping PangQi Wu Original Paper 22 September 2021 Pages: 387 - 422
Measuring geometrical quality of different 3D linear element types Claudio LobosCristopher ArenasNancy Hitschfeld Original Paper 01 October 2021 Pages: 423 - 446
Finite element method for singularly perturbed problems with two parameters on a Bakhvalov-type mesh in 2D Jin ZhangYanhui Lv Original Paper 12 October 2021 Pages: 447 - 475