Talks
| 04/04/2014 | Computing Laplace and Fourier transforms, Helmholtz-Workshop: Mathematics for imaging, Bad Harzburg |
| 03/04/2012 | Local approximation in the butterfly algorithm, Helmholtz-Workshop: Mathematics for photoacoustic imaging III, Schöna |
| 20/09/2011 | Schnelle Fourier-Transformation für dünne Daten, DMV: Studierendenkonferenz, Köln |
| 30/03/2011 | Butterfly fast Fourier transforms, Helmholtz-Workshop: Mathematics for photoacoustic imaging II, Erlbach |
| 05/02/2011 | Schnelle Fourier-Transformation für dünne Daten, 21. Rhein-Ruhr-Workshop, Königswinter |
| 24/03/2010 | Eine schnelle Fourier-Transformation für schwachbesetzte Signale, Helmholtz-Workshop: Mathematics for photoacoustic imaging, Lindenberg |
Talks in our "Oberseminar in Applied Analysis", Osnabrück
| 07/06/2016 | Fast polynomial transforms based on Toeplitz and Hankel matrices |
| 17/11/2015 | Fast and Approximate Computation of Laplace and Fourier Transforms |
| 12/05/2015 | Approximation of asymptotically smooth Kernels |
| 13/01/2015 | Fast evaluation of polynomials in the unit disk |
| 23/04/2013 | The butterfly fast Fourier transform |
| 22/11/2011 | Bernstein inequalities for trigonometric polynomials |
| 29/11/2010 | Butterfly fast Fourier transform |
Participation at summer and winter schools
| 06-09 October 2014 | Summer school, Combinatorial Structures in Geometry, Osnabrück |
| 18-22 August 2014 | Advanced Numerical Methods for Non-local Operators, Zürich |
| 17-21 March 2014 | Winter school, Combinatorial Structures in Geometry, Bad Bevensen |
| 24-28 September 2012 | Summer School on Applied Analysis, Chemnitz |
| 23-27 July 2012 | Image Reconstruction, Mathematics and Applications, München |
| 26-30 September 2011 | Summer School on Applied Analysis, Chemnitz |
| 22-26 August 2011 | A Computational Approach to Harmonic Analysis, Marburg |
Participation at conferences
| 23-27 September 2013 | Discrepancy, Numerical Integration and Hyperbolic Cross Approximation, Hausdorff center for mathematics, Bonn |
| 20-23 June 2013 | Mecklenburger Workshop: Approximationsmethoden und schnelle Algorithmen, Hasenwinkel |
| 03-04 May 2013 | 34. Norddeutsches Kolloquium über angewandte Analysis und Numerische Mathematik, Clausthal-Zellerfeld |
| 10-16 June 2012 | Applied Harmonic Analysis and Sparse Approximation, Mathematisches Forschungsinstitut Oberwolfach, Oberwolfach. Click here for a picture. |
| 27-28 May 2011 | 32. Norddeutsches Kolloquium über angewandte Analysis und Numerische Mathematik, Osnabrück |