1. A convexity enforcing \({C}^{{0}}\) interior penalty method for the Monge–Ampère equation on convex polygonal domains

   • Susanne C. Brenner
   • Li-yeng Sung
   • Hongchao Zhang

   OriginalPaper Open access 26 June 2021 Pages: 497 - 524

   

2. On the derivation of guaranteed and p-robust a posteriori error estimates for the Helmholtz equation

   • T. Chaumont-Frelet
   • A. Ern
   • M. Vohralík

   OriginalPaper 26 April 2021 Pages: 525 - 573

   

3. The J-method for the Gross–Pitaevskii eigenvalue problem

   • Robert Altmann
   • Patrick Henning
   • Daniel Peterseim

   OriginalPaper Open access 25 July 2021 Pages: 575 - 610

   

4. Krylov improvements of the Uzawa method for Stokes type operator matrices

   • Owe Axelsson
   • János Karátson

   OriginalPaper Open access 05 July 2021 Pages: 611 - 631

5. MDFEM: Multivariate decomposition finite element method for elliptic PDEs with uniform random diffusion coefficients using higher-order QMC and FEM

   • Dong T. P. Nguyen
   • Dirk Nuyens

   OriginalPaper 02 July 2021 Pages: 633 - 669

6. Unconditionally positivity preserving and energy dissipative schemes for Poisson–Nernst–Planck equations

   • Jie Shen
   • Jie Xu

   OriginalPaper 28 May 2021 Pages: 671 - 697

   

7. Provably physical-constraint-preserving discontinuous Galerkin methods for multidimensional relativistic MHD equations

   • Kailiang Wu
   • Chi-Wang Shu

   OriginalPaper 12 June 2021 Pages: 699 - 741