Dr. Johannes Pfefferer

Talks on conferences

Adapted numerical methods for the Poisson equation with L^2 boundary data in non-convex domains. Conference on Computational Methods in Applied Mathematics (CMAM-7), Jyväskylä, 07/2016.
Adapted numerical methods for the Poisson equation with L^2 boundary data in non-convex domains. Conference on the Mathematics of Finite Elements and Applications (MAFELAP), Brunel, 06/2016.
Discretization error estimates for Dirichlet control problems in polygonal domains. Workshop on Numerical Methods for Optimal Control and Inverse Problems (OCIP), Garching, 03/2016.
Finite element error estimates for Dirichlet boundary control problems in polygonal domains. 27th IFIP TC7 Conference on System Modelling and Optimization, Sophia Antipolis, 06/2015.
Finite element error estimates for Dirichlet boundary control problems on polygonal domains. 86th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Lecce, 3/2015.
Finite element error estimates for Dirichlet control problems in convex and non-convex domains. 6th International Conference on High Performance Scientific Computing, Hanoi, 03/2015.
Finite element error estimates on the boundary for elliptic boundary value problems with Neumann boundary data. 5th European Conference on Computational Mechanics, Barcelona, 07/2014.
Numerical analysis for semilinear elliptic optimal control problems with pointwise state constraints. Chemnitzer Seminar zur Optimalsteuerung, Haus, 02/2014.
On properties of discretized optimal control problems with semilinear elliptic equations and pointwise state constraints. European Numerical Mathematics and Advanced Applications, Lausanne, 08/2013.
Superconvergence properties of finite element discretized Neumann boundary control problems governed by semilinear elliptic equations. European Conference on Computational Optimization, Chemnitz, 07/2013.
Finite element error estimates for Neumann boundary control problems governed by semilinear elliptic equations. 84th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Novi Sad, 03/2013.
Elliptic Neumann boundary control problems: FE error estimates for quasi-uniform and graded meshes. 5th International Conference on High Performance Scientific Computing, Hanoi, 03/2012.
Neumann boundary control of semilinear elliptic equations: finite element discretization and error estimates. 24th Chemnitz FEM Symposium 2011, Holzhau, 09/2011.
A finite element error estimate on the boundary and its application to Neumann boundary control problems. Workshop on Numerical Methods for Optimal Control and Inverse Problems (OCIP), Garching, 03/2011.
Finite element error estimates on the boundary and its application to optimal control. 23rd Chemnitz FEM Symposium 2010, Lichtenwalde, 09/2010.
Finite element error estimates for Neumann boundary control problems on graded meshes. 81st Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Karlsruhe, 03/2010.
Finite element error estimates for Neumann boundary control problems on graded meshes. 24th IFIP TC7 Conference on System Modelling and Optimization, Buenos Aires, 07/2009.
L^2-error estimates on the boundary for the Neumann problem in 2D. Chemnitzer Seminar zur Optimalsteuerung, Gerlosberg, 03/2009.

Talks on seminars

Finite element error estimates for Dirichlet boundary control problems in polygonal domains. Applied and Computational Mathematics Seminar, George Mason University, 08/2016.
On properties of finite element discretized Dirichlet control problems in polygonal domains. Forschungsseminar Optimale Steuerung und Inverse Probleme, Universität Duisburg-Essen, 06/2016.
An introduction to PDEs involving the fractional Laplacian: analysis and finite element approximations. Seminar Angewandte Analysis und Numerische Mathematik, TU Graz, 04/2016.
An introduction to PDEs involving the fractional Laplacian: analysis and finite element approximations. Universität der Bundeswehr München, 03/2016.
Numerical analysis for Neumann boundary control problems governed by semilinear elliptic equations in polygonal domains. Numerical Analysis Seminar, University of Maryland, 12/2015.
Finite element error estimates for semilinear elliptic Neumann boundary control problems in polygonal domains. Applied and Computational Mathematics Seminar, George Mason University, 11/2015.
Discretization error estimates for Dirichlet boundary control problems. Seminar Angewandte Analysis und Numerische Mathematik, TU Graz, 05/2015.
Abschätzung des Diskretisierungsfehlers bei Dirichlet-Randsteuerungsproblemen. Forschungsseminar Numerik, TU Chemnitz, 05/2015.
Graded meshes in optimal control of elliptic partial differential equations. Forschungsseminar Optimale Steuerung und Inverse Probleme, Universität Duisburg-Essen, 06/2014.
Abschätzung des FE-Fehlers für semilineare Neumannrandsteuerungsprobleme. Kolloquium Angewandte Mathematik, Universität der Bundeswehr München, 02/2012.
Abschätzung des FE-Fehlers für semilineare Neumannrandsteuerungsprobleme. Forschungsseminar Nichtlineare Optimierung, Universität Duisburg-Essen, 01/2012.
L^2-error estimates on the boundary for the Neumann problem with application to optimal control. Seminar Nichtlineare Optimierung und Inverse Probleme, WIAS Berlin, 11/2010.
Effiziente rekursive Formulierung von Optimalsteuerungsproblemen für Industrieroboter. Kolloquium Wissenschaftliches Rechnen, Universität der Bundeswehr München, 11/2007.
 
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