Nonlinear Elliptic and Evolution Problems and Their Finite Element Approximations (A. łeniŔek). - Lars B. Wahlbin (SIAM Rev., 1992)

Numerical solution of parabolic integro-differential equations by the discontinuous Galerkin method. - Stig Larsson 001; Vidar Thomée; Lars B. Wahlbin (Math. Comput., 1998)

Stability and analyticity in maximum-norm for simplicial Lagrange finite element semidiscretizations of parabolic equations with Dirichlet boundary conditions. - Vidar Thomée; Lars B. Wahlbin (Numerische Mathematik, 2000)

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. - Wolfgang Hoffmann; Alfred H. Schatz; Lars B. Wahlbin; Gabriel Wittum (Math. Comput., 2001)

Positivity preserving finite element approximation. - Ricardo H. Nochetto; Lars B. Wahlbin (Math. Comput., 2002)

Maximum-norm estimates for resolvents of elliptic finite element operators. - Nikolai Yu. Bakaev; Vidar Thomée; Lars B. Wahlbin (Math. Comput., 2003)

Pointwise Error Estimates for Differences in Piecewise Linear Finite Element Approximations. - Alfred H. Schatz; Lars B. Wahlbin (SIAM J. Numer. Anal., 2003)

Asymptotically exact a posteriori estimators for the pointwise gradient error on each element in irregular meshes. Part II: The piecewise linear case. - Alfred H. Schatz; Lars B. Wahlbin (Math. Comput., 2004)

On the existence of maximum principles in parabolic finite element equations. - Vidar Thomée; Lars B. Wahlbin (Math. Comput., 2008)

On Positivity and Maximum-Norm Contractivity in Time Stepping Methods for Parabolic Equations. - Alfred H. Schatz; Vidar Thomée; Lars B. Wahlbin (Comput. Methods Appl. Math., 2010)

Best approximation property in the W1∞ norm for finite element methods on graded meshes. - Alan Demlow; Dmitriy Leykekhman; Alfred H. Schatz; Lars B. Wahlbin (Math. Comput., 2012)