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Numerische Mathematik, Volume 148
Volume 148, Number 1, May 2021
- Heiko Gimperlein

, Jakub Stocek
, Carolina Urzúa-Torres
:
Optimal operator preconditioning for pseudodifferential boundary problems. 1-41 - Christian Kreuzer

, Andreas Veeser
:
Oscillation in a posteriori error estimation. 43-78 - Abe C. Ellison, Bengt Fornberg:

A parallel-in-time approach for wave-type PDEs. 79-98 - Stefano Pozza

, Valeria Simoncini:
Functions of rational Krylov space matrices and their decay properties. 99-126 - Sören Bartels

, Zhangxian Wang:
Orthogonality relations of Crouzeix-Raviart and Raviart-Thomas finite element spaces. 127-139 - Emil Løvbak

, Giovanni Samaey
, Stefan Vandewalle
:
A multilevel Monte Carlo method for asymptotic-preserving particle schemes in the diffusive limit. 141-186 - Olivier Bokanowski, Athena Picarelli, Christoph Reisinger:

Stability and convergence of second order backward differentiation schemes for parabolic Hamilton-Jacobi-Bellman equations. 187-222
Volume 148, Number 2, June 2021
- Mark Ainsworth, Charles Parker

:
Preconditioning high order H2 conforming finite elements on triangles. 223-254 - François Alouges, Martin Averseng:

New preconditioners for the Laplace and Helmholtz integral equations on open curves: analytical framework and numerical results. 255-292 - Bosu Choi, Mark A. Iwen, Toni Volkmer:

Sparse harmonic transforms II: best s-term approximation guarantees for bounded orthonormal product bases in sublinear-time. 293-362 - Emmanuil H. Georgoulis, Omar Lakkis

, Thomas P. Wihler:
A posteriori error bounds for fully-discrete hp-discontinuous Galerkin timestepping methods for parabolic problems. 363-386 - Martin Halla:

Galerkin approximation of holomorphic eigenvalue problems: weak T-coercivity and T-compatibility. 387-407 - Cecilia Pagliantini:

Dynamical reduced basis methods for Hamiltonian systems. 409-448 - Philippe Laurent, Guillaume Legendre, Julien Salomon:

On the method of reflections. 449-493 - Constantin Christof, Christof Haubner:

Correction to: Finite element error estimates in non-energy norms for the two-dimensional scalar Signorini problem. 495
Volume 148, Number 3, July 2021
- Susanne C. Brenner, Li-Yeng Sung, Zhiyu Tan, Hongchao Zhang:

A convexity enforcing C0 interior penalty method for the Monge-Ampère equation on convex polygonal domains. 497-524 - Théophile Chaumont-Frelet

, Alexandre Ern, Martin Vohralík:
On the derivation of guaranteed and p-robust a posteriori error estimates for the Helmholtz equation. 525-573 - Robert Altmann, Patrick Henning, Daniel Peterseim

:
The J-method for the Gross-Pitaevskii eigenvalue problem. 575-610 - Owe Axelsson, János Karátson:

Krylov improvements of the Uzawa method for Stokes type operator matrices. 611-631 - Dong T. P. Nguyen, Dirk Nuyens

:
MDFEM: Multivariate decomposition finite element method for elliptic PDEs with uniform random diffusion coefficients using higher-order QMC and FEM. 633-669 - Jie Shen

, Jie Xu:
Unconditionally positivity preserving and energy dissipative schemes for Poisson-Nernst-Planck equations. 671-697 - Kailiang Wu, Chi-Wang Shu

:
Provably physical-constraint-preserving discontinuous Galerkin methods for multidimensional relativistic MHD equations. 699-741
Volume 148, Number 4, August 2021
- Aurélien Alfonsi

, Vlad Bally:
A generic construction for high order approximation schemes of semigroups using random grids. 743-793 - Xiliang Li, Xin Li

:
AS++ T-splines: arbitrary degree, nestedness and approximation. 795-816 - Vanni Noferini

, Federico Poloni:
Nearest $\varOmega $-stable matrix via Riemannian optimization. 817-851 - Jose Israel Rodriguez, Jin-Hong Du

, Yiling You, Lek-Heng Lim:
Fiber product homotopy method for multiparameter eigenvalue problems. 853-888 - Jürgen Dölz

, Herbert Egger, Matthias Schlottbom
:
A model reduction approach for inverse problems with operator valued data. 889-917 - Nestor Sánchez, Tonatiuh Sánchez-Vizuet

, Manuel E. Solano
:
A priori and a posteriori error analysis of an unfitted HDG method for semi-linear elliptic problems. 919-958 - Ruming Zhang:

Numerical methods for scattering problems in periodic waveguides. 959-996

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