Fractional operators with inhomogeneous boundary conditions: Analysis, control, and discretization H Antil, J Pfefferer, S Rogovs
arXiv preprint arXiv:1703.05256, 2017
76 2017 Finite element error estimates for Neumann boundary control problems on graded meshes T Apel, J Pfefferer, A Rösch
Computational Optimization and Applications 52, 3-28, 2012
51 2012 Finite element discretization of state-constrained elliptic optimal control problems with semilinear state equation I Neitzel, J Pfefferer, A Rösch
SIAM Journal on Control and Optimization 53 (2), 874-904, 2015
47 2015 Finite element error estimates on the boundary with application to optimal control T Apel, J Pfefferer, A Rösch
Mathematics of Computation 84 (291), 33-70, 2015
44 2015 On the regularity of the solutions of Dirichlet optimal control problems in polygonal domains T Apel, M Mateos, J Pfefferer, A Rösch
SIAM Journal on Control and Optimization 53 (6), 3620-3641, 2015
42 2015 Error estimates for Dirichlet control problems in polygonal domains T Apel, M Mateos, J Pfefferer, A Rösch
arXiv preprint arXiv:1704.08843, 2017
35 2017 Discretization of the P oisson equation with non‐smooth data and emphasis on non‐convex domains T Apel, S Nicaise, J Pfefferer
Numerical Methods for Partial Differential Equations 32 (5), 1433-1454, 2016
28 2016 D Meidner, J Pfefferer, K Schürholz, B Vexler
SIAM Journal on Numerical Analysis 56 (4), 2345-2374, 2018
24 2018 A note on semilinear fractional elliptic equation: analysis and discretization H Antil, J Pfefferer, M Warma
ESAIM: Mathematical Modelling and Numerical Analysis 51 (6), 2049-2067, 2017
24 2017 Numerical analysis for elliptic Neumann boundary control problems on polygonal domains J Pfefferer
Universitätsbibliothek der Universität der Bundeswehr München, 2014
20 2014 Finite element error estimates for normal derivatives on boundary concentrated meshes J Pfefferer, M Winkler
SIAM Journal on Numerical Analysis 57 (5), 2043-2073, 2019
17 2019 Adapted Numerical Methods for the Poisson Equation with T Apel, S Nicaise, J Pfefferer
SIAM Journal on Numerical Analysis 55 (4), 1937-1957, 2017
17 * 2017 Superconvergence for Neumann boundary control problems governed by semilinear elliptic equations K Krumbiegel, J Pfefferer
Computational Optimization and Applications 61, 373-408, 2015
17 2015 Local mesh refinement for the discretization of Neumann boundary control problems on polyhedra T Apel, J Pfefferer, M Winkler
Mathematical Methods in the Applied Sciences 39 (5), 1206-1232, 2016
12 2016 A short Matlab implementation of fractional Poisson equation with nonzero boundary conditions H Antil, J Pfefferer
Technical report, 2017
8 2017 Error estimates for the postprocessing approach applied to Neumann boundary control problems in polyhedral domains T Apel, M Winkler, J Pfefferer
IMA Journal of Numerical Analysis 38 (4), 1984-2025, 2018
7 2018 Graded meshes in optimal control for elliptic partial differential equations: an overview T Apel, J Pfefferer, A Rösch
Trends in PDE constrained optimization, 285-302, 2014
6 2014 Risk-averse control of fractional diffusion with uncertain exponent H Antil, DP Kouri, J Pfefferer
SIAM Journal on Control and Optimization 59 (2), 1161-1187, 2021
5 2021 Maximum norm error estimates for Neumann boundary value problems on graded meshes T Apel, S Rogovs, J Pfefferer, M Winkler
IMA Journal of Numerical Analysis 40 (1), 474-497, 2020
5 2020 Finite element error estimates in D Hafemeyer, C Kahle, J Pfefferer
Numerische Mathematik 144 (1), 133-156, 2020
5 2020 