| Publication | Date of Publication | Type |
|---|
| On positivity and maximum-norm contractivity in time stepping methods for parabolic equations | 2014-03-26 | Paper |
| Local A Posteriori Estimates on a Nonconvex Polygonal Domain | 2012-08-23 | Paper |
| Best approximation property in the $W^1_{\infty }$ norm for finite element methods on graded meshes | 2012-04-26 | Paper |
| Asymptotic Error Expansions for the Finite Element Method for Second Order Elliptic Problems in $R^N$, $N\geq2$. I: Local Interior Expansions | 2011-06-06 | Paper |
| Local energy estimates for the finite element method on sharply varying grids | 2011-03-07 | Paper |
| A new approach to Richardson extrapolation in the finite element method for second order elliptic problems | 2010-11-07 | Paper |
| Hölder estimates for Green's functions on convex polyhedral domains and their applications to finite element methods | 2009-04-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5484112 | 2006-08-24 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5479950 | 2006-07-25 | Paper |
| Perturbations of Forms and Error Estimates for the Finite Element Method at a Point, with an Application to Improved Superconvergence Error Estimates for Subspaces that Are Symmetric with Respect to a Point | 2005-10-28 | Paper |
| Asymptotically exact a posteriori estimators for the pointwise gradient error on each element in irregular meshes. Part II: The piecewise linear case | 2004-02-12 | Paper |
| Pointwise Error Estimates for Differences in Piecewise Linear Finite Element Approximations | 2004-01-18 | Paper |
| Asymptotically exact a posteriori estimators for the pointwise gradient error on each element in irregular meshes. Part 1: A smooth problem and globally quasi-uniform meshes | 2001-05-14 | Paper |
| Pointwise Error Estimates and Asymptotic Error Expansion Inequalities for the Finite Element Method on Irregular Grids: Part II. Interior Estimates | 2001-03-19 | Paper |
| Stability, analyticity, and almost best approximation in maximum norm for parabolic finite element equations | 2000-03-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4394875 | 1998-12-15 | Paper |
| Pointwise error estimates and asymptotic error expansion inequalities for the finite element method on irregular grids: Part I. Global estimates | 1998-06-14 | Paper |
| Some new error estimates for Ritz–Galerkin methods with minimal regularity assumptions | 1997-02-24 | Paper |
| Superconvergence in Finite Element Methods and Meshes That are Locally Symmetric with Respect to a Point | 1997-02-11 | Paper |
| Interior Maximum-Norm Estimates for Finite Element Methods, Part II | 1995-08-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3495588 | 1990-01-01 | Paper |
| The Construction of Preconditioners for Elliptic Problems by Substructuring, IV | 1989-01-01 | Paper |
| A preconditioning technique for the efficient solution of problems with local grid refinement | 1988-01-01 | Paper |
| The Construction of Preconditioners for Elliptic Problems by Substructuring, III | 1988-01-01 | Paper |
| The Construction of Preconditioners for Elliptic Problems by Substructuring. II | 1987-01-01 | Paper |
| Crosswind Smear and Pointwise Errors in Streamline Diffusion Finite Element Methods | 1987-01-01 | Paper |
| An Iterative Method for Elliptic Problems on Regions Partitioned into Substructures | 1986-01-01 | Paper |
| The Construction of Preconditioners for Elliptic Problems by Substructuring. I | 1986-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3698213 | 1985-01-01 | Paper |
| On the Finite Element Method for Singularly Perturbed Reaction-Diffusion Problems in Two and One Dimensions | 1983-01-01 | Paper |
| On the Quasi-Optimality in $L_\infty$ of the $\overset{\circ}{H}^1$-Projection into Finite Element Spaces* | 1982-01-01 | Paper |
| Maximum norm stability and error estimates in parabolic finite element equations | 1980-01-01 | Paper |
| A Weak Discrete Maximum Principle and Stability of the Finite Element Method in L ∞ on Plane Polygonal Domains. I | 1980-01-01 | Paper |
| Maximum Norm Estimates in the Finite Element Method on Plane Polygonal Domains. Part 2, Refinements | 1979-01-01 | Paper |
| Maximum Norm Estimates in the Finite Element Method on Plane Polygonal Domains. Part 1 | 1978-01-01 | Paper |
| Higher Order Local Accuracy by Averaging in the Finite Element Method | 1977-01-01 | Paper |
| Interior Maximum Norm Estimates for Finite Element Methods | 1977-01-01 | Paper |
| Some Convergence Estimates for Semidiscrete Galerkin Type Approximations for Parabolic Equations | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3205735 | 1976-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4111055 | 1976-01-01 | Paper |
| Maximum-Norm Interior Estimates for Ritz-Galerkin Methods | 1975-01-01 | Paper |
| Interior Estimates for Ritz-Galerkin Methods | 1974-01-01 | Paper |
| An Observation Concerning Ritz-Galerkin Methods with Indefinite Bilinear Forms | 1974-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4130348 | 1974-01-01 | Paper |
| On Local Approximation Properties of L2-Projection on Spline-Subspaces† | 1972-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4171541 | 1971-01-01 | Paper |
| Least Squares Methods for 2mth Order Elliptic Boundary-Value Problems | 1971-01-01 | Paper |
| Teichmüller theory for surfaces with boundary | 1970-01-01 | Paper |
| Rayleigh‐Ritz‐Galerkin methods for dirichlet's problem using subspaces without boundary conditions | 1970-01-01 | Paper |
| Rayleigh‐Ritz‐Galerkin methods for dirichlet's problem using subspaces without boundary conditions | 1970-01-01 | Paper |
| Free boundary problems of Stephan type with prescribed flux | 1969-01-01 | Paper |
| On the local behavior of homeomorphic solutions of Beltrami's equation | 1968-01-01 | Paper |
| On the Differentiability of Generalized Solutions of First Order Elliptic Equations with Discontinuous Coefficients | 1966-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3279155 | 1961-01-01 | Paper |
