Pfefferer, Johannes; Winkler, Max Finite element error estimates for normal derivatives on boundary concentrated meshes. (English) Zbl 1425.35019 SIAM J. Numer. Anal. 57, No. 5, 2043-2073 (2019). MSC: 35J05 49J20 65N15 65N30 PDFBibTeX XMLCite \textit{J. Pfefferer} and \textit{M. Winkler}, SIAM J. Numer. Anal. 57, No. 5, 2043--2073 (2019; Zbl 1425.35019) Full Text: DOI arXiv
Antil, Harbir; Pfefferer, Johannes; Rogovs, Sergejs Fractional operators with inhomogeneous boundary conditions: analysis, control, and discretization. (English) Zbl 06996271 Commun. Math. Sci. 16, No. 5, 1395-1426 (2018). MSC: 65-XX 26A33 35S15 49K20 65N12 65N30 65R20 PDFBibTeX XMLCite \textit{H. Antil} et al., Commun. Math. Sci. 16, No. 5, 1395--1426 (2018; Zbl 06996271) Full Text: DOI arXiv
Meidner, Dominik; Pfefferer, Johannes; Schürholz, Klemens; Vexler, Boris \(hp\)-finite elements for fractional diffusion. (English) Zbl 1397.65282 SIAM J. Numer. Anal. 56, No. 4, 2345-2374 (2018). Reviewer: Abdallah Bradji (Annaba) MSC: 65N30 35R11 35S15 65R20 65N12 PDFBibTeX XMLCite \textit{D. Meidner} et al., SIAM J. Numer. Anal. 56, No. 4, 2345--2374 (2018; Zbl 1397.65282) Full Text: DOI arXiv
Apel, Thomas; Pfefferer, Johannes; Winkler, Max Local mesh refinement for the discretization of Neumann boundary control problems on polyhedra. (English) Zbl 1336.49033 Math. Methods Appl. Sci. 39, No. 5, 1206-1232 (2016). MSC: 49M25 49J20 65N30 65N50 65N15 PDFBibTeX XMLCite \textit{T. Apel} et al., Math. Methods Appl. Sci. 39, No. 5, 1206--1232 (2016; Zbl 1336.49033) Full Text: DOI