Address: Industrial Mathematics Institute Johannes Kepler University Altenbergerstraße 69 A-4040 Linz, Austria Fon:  +43 (0)732 2468 9219 Fax:   +43 (0)732 2468 8855 E-Mail: ronny.ramlau@jku.at

• Analysis of algorithms for  solving (nonlinear) ill-posed Inverse Problems
• Sparse Reconstructions
• Inversion of SPECT (Single Photon Emmission Computed Tomography) data
• Simultaneous Inversion and Segmentation of Tomography data by Minimization of the Mumford-Shah functional
  
• Signal - and Image processing
  
• Solution of PDE via SINC methods

• FWF  Project P19029-N18: Mumford-Shah Models for the Inversion of Tomography Data (joint with Prof. Ring, Graz).
  
  Project Scientists: Dr. E. Klann (Linz) and Dipl. math. E. Hoetzl (Graz)
  Project runtime: 15.07.2006 - 15.07.2009


• FWF Project P19496-N18: Inverse Problems with Sparsity Constraints.
  
  Project scientist: DI. S. Anzengruber,
  Project runtime: 15.06.2007 - 15.06.2010


• FWF Project P20237-N14: Mathematical methods for high-precision balancing of machine-tools.
  
  Project scientist: Dr. J. Niebsch
  Project runtime: 01.01.2008 - 31.12.2010


• Doktoral Program Computational Mathematics: Project Nonlinear regularization methods for the solution of linear ill-posed problems
  

Project runtime: 1.10. 2008 - 30.09.2011  
Project Scientist: Dipl. math. I. Bleyer    


•  FFG Project Modellbasierte Umwuchtbestimmung in Windenergieanlagen

Project Runtime: 01.01.2009 - 31.12.2011
Project Scientist: Dr. J. Niebsch

• Inverse Imbalance reconstruction for airplane turbines (Rolls-Royce Germany/England)
• Inverse Imbalance reconstruction for generators (Siemens)
• Monitoring of Wind Power Stations (Mysen GmbH, Deutsche Windguard Dynamics)
• Balancing of vacuum pumps (Oerlikon Leybold)
• Improved Signal Processing in the analysis of mass spectroscopy data (Thermo Electron GmbH)
• Signal Processing of rope data (Teufelberger GmbH)

Habilitation Thesis

        Regularization of Nonlinear Ill-Posed Operator Equations: Methods and Applications
        Referees: Prof. P. Maass (Bremen), Prof. O. Scherzer (Innsbruck), Prof. F. Stenger (Salt Lake City), and Prof. M. Böhm (Bremen)
        Bremen, June 2003

PhD Thesis

         Modified Landweber iterations for Inverse Problems 
         Referees: Prof. P. Maass ,  Prof. A.K. Louis, Prof. B.W. Schulze
         Potsdam, July 1997

Diploma Thesis

         Thin-film layered dielectric media as linear transmission systems ( supervised by Prof. H. Kaiser )
       Potsdam, March 1994

Publications

A selected list of publications can be found here.

International experiences

• November 1997: University of Linz (Prof. O. Scherzer), (1 week)

• February 1998 - January 1999 :  Department of Computer Science (Prof. F. Stenger) and the Medical  Imaging Research Labaratory of the University of Utah, Salt Lake City, Utah, USA

• June 2000 : University College Stavanger, Norway, (Prof. S.-A. Gustafson), (2 weeks)

• September 2003-December 2003: Institute for Pure and Applied Mathematics (IPAM), University of California Los Angeles, USA