• Inverse and ill posed problems
• Wavelet methods in signal and image processing
• Numerical solution of partial differential equations

Here you will find a list of my publications.

• Local SONAR inversion, Mathematics and Algorithms in Tomography, Oberwolfach, April 2010, slides (the animations will only work if viewed using Acrobat reader 6.5 or higher on Windows or MacOS)
• A new view on phantom views, Applied Inverse Problems, Vienna, July 2009, slides
• Towards a general convergence theory of inexact Newton regularizations, Applied Inverse Problems, Vienna, July 2009, slides
• Tangential cone condition and other open problems in electrical impedance tomography, Workshop on Hybrid Imaging, University Center Innsbruck in Obergurgl, January 2008, slides
• Newton-CG for nonlinear inverse problems, Symposium on Inverse Problems, Chemnitz, September 2006, slides
• Optimality of the fully discrete filtered backprojection algorithm in 2D, Conference Mathematical methods in tomography, Oberwolfach, August 2006, slides
• Runge-Kutta integrators yield optimal regularization schemes, Joint Mathematics Meeting of the AMS and MAA, Atlanta, GA, Januar 2005, slides
• An overview on mathematical methods in tomography, IRMA, Universite Louis Pasteur, Strasbourg, Mai 2004, slides
• Semi-diskrete inverse Probleme: Die Approximative Inverse, AG Inverse Probleme, Fakultät für Mathematik, Universität Karlsruhe, Juli 2003, slides