Last update:   Januar 2009

R. Ramlau and E. Resmerita
Convergence rates for regularization with sparsity constraints.
Submitted for publication.

M. Fornasier, R. Ramlau and G. Teschke.
The application of joint sparsity and total variation minimization algorithms to a real-life art restoration problem.
To appear in Advances in Computational Mathematics.

J. Niebsch and R. Ramlau.
Imbalance identification without test masses for  wind turbines.
J. Solar Energy Engeneering Vol. 131, No. 1, 011010 (2009).

L. Justen and R. Ramlau.
A General Framework for Soft – Shrinkage with Applications to Blind Deconvolution and Wavelet Denoising.
Appl. Comp. Harmon. Anal.  Vol. 26  No. 1, 43 - 63 (2009)

R. Ramlau, G. Teschke, and M. Zhariy
A Compressive Landweber Iteration for Solving Ill-Posed Inverse Problems.
Inverse Problems 24 065013 (2008)

R. Ramlau.
Regularization properties of Tikhonov regularization with sparsity constraints.
ETNA, Volume 30, 54-74 (2008)

E.Klann and R.Ramlau.
Regularization by Fractional Filter Methods and Data Smoothing.
Inverse Problems 24 No. 2 (April 2008)

J. Niebsch and R. Ramlau.
Balancing wind power plants.
ECMI Newsletter (2008).
 
Gerd Teschke and R. Ramlau.
An iterative algorithm for nonlinear inverse problems with joint sparsity constraints in vector-valued regimes and an application to color image inpainting.
Inverse Problems 23 No 5 (October 2007) 1851-1870.

S. Kindermann and R. Ramlau.
Surrogate functional and tresholding for inverse interface problems
Journal for Inverse and Ill - Posed Problems, Volume 15, No. 4, 387 - 402.

R. Ramlau
and W. Ring.
A Mumford-Shah approach for contour tomography.
Journal of Computational Physics, Volume 221, Issue 2, 10 February 2007, Pages 539-557.

Shuai Lu, Sergei V Pereverzev and R. Ramlau.
An analysis of Tikhonov regularization for nonlinear ill-posed problems under a general smoothness assumption.
Inverse Problems 23 No 1 (February 2007) 217-230.

R. Ramlau.
Tikhonov regularization with non - standard constraints for Tomography.
A. K. Louis, F. Natterer, E. T. Quinto, Mathematical Methods in Tomography, 34/2006, Oberwolfach Report, 62-64, 2006

R. Ramlau and G. Teschke.
A Tresholding Iteration for Nonlinear Operator Equations with Sparsity Constraints.
Numerische Mathematik,  Vol. 104, No. 2 (2006), 177 - 203.

E. Klann, P. Maass and R. Ramlau.
Tikhonov regularization with Wavelet shrinkage for linear inverse problems.
Journal for Inverse and Ill-Posed Problems, Vol. 14, No. 6, 583 - 609, 2006.

J. Niebsch and R. Ramlau
Automatisch Unwuchterkennung am Rotor.
Erneuerbare Energien, Ausgabe 5, Mai 2006

R. Ramlau
Auswuchten von rotierenden Systemen.
Univationen 02/2006,  p. 6

L. Justen and R. Ramlau
A non-iterative regularization approach to blind deconvolution
Inverse Problems, Vol. 22 No 3 (2006), 771-800

 R. Ramlau, V. Dicken, P. Maass, A. Rienäcker and C. Streller, Inverse Imbalance Reconstruction in Rotordynamics.
ZAMM, Vol. 86, No. 5 (2006), 385-399

R. Ramlau and G. Teschke.
Tikhonov Replacement Functionals for Iteratively Solving Nonlinear Operator Equations.
Inverse Problems, Vol. 21, No. 5 (2005), 1571-1592.

R. Ramlau.
On the use of fixed point iterations for the regularization of nonlinear ill-posed problems.
Journal for Inverse and Ill-Posed Problems, Vol.13,  No. 2 (2005), 175-200.

V. Dicken, I. Menz, P. Maass, J. Niebsch  and R. Ramlau, Inverse imbalance reconstruction for nonlinearly damped systems.
Inverse Problems in Science and Engineering , Vol. 13, No. 5 (2005), 507-543.

S. Fischer, O. Hansen and R. Ramlau.
Regularization of Mellin-type Inverse Problems with an application to oil engineering.
Linear Algebra and its Applications 391 (2004), 125-147

R. Ramlau and G. Teschke, Regularization of Sobolev Embedding Operators and Applications to Medical Imaging and Meteorological Data.
Part II: Regularization Incorporating Noise with Applications in Medical Imaging and Meteorological Data.
Sampling Theory in Signal and Image Processing, 3(3):2004

R. Ramlau and G. Teschke, Regularization of Sobolev Embedding Operators and Applications to Medical Imaging and Meteorological Data.
Part I: Regularization of Sobolev Embedding Operators.
Sampling Theory in Signal and Image Processing Volume 3 (2), 2004

R. Ramlau, Regularization of Nonlinear Ill-Posed Operator Equations: Methods and Applications.
Habilitationsschrift, Universität Bremen, 2003

R. Ramlau,   TIGRA - an iterative algorithm for regularizing nonlinear ill-posed problems  Inverse Problems, Volume 19 (2) 433-465, 2003 .

V. Dicken, P. Maass, I. Menz, J. Niebsch, and R. Ramlau, Inverse Unwuchtidentifikation an Flugtriebwerken mit Quetschöldämpfern , in Irretier et al., Schwingungen in rotierenden Maschinen, Vieweg 2003.

F. Stenger and R. Ramlau, Well posed Inversion, submitted for publication (2002)

F. Stenger, A.R. Nagsh-Nilshi, J. Niebsch and R. Ramlau, Sampling methods for approximate solution of pde
In M. Zuhair Nashed and Otmar Scherzer, editors, Inverse Problems, Image Analysis, and Medical Imaging,
Contemporary Mathematics 313, pages 199-249. American Mathematical Society , 2002.

R. RamlauMorozov's Discrepancy Principle for Tikhonov regularization of nonlinear operators ,
Journal for Numerical Functional Analysis and Optimization, Vol. 23 (1&2) 147-172  (2002)

R. RamlauA steepest descent algorithm for the global minimization of Tikhonov Phillips functional ,
Inverse Problems, Volume 18 (2) 381-405 (2002)

P. Maass, S.V. Pereverzev, R. Ramlau    and  S.G. Solodky,   An adaptive discretization for Tikhonov Phillips regularization with a posteriori parameter selection ,  Numer. Math. (2001) 87: 485-502

R. Ramlau, R. Clackdoyle, F. Noo, G. Bal,  Accurate attenuation correction in SPECT imaging using optimization of bilinear functions and assuming an unknown spatially-varying attenuation distributionZAMM  Z. Angew. Math. Mech. 80 (2000) 9, 613-621

R. RamlauA modified Landweber-method for inverse problems , Journal for Numerical Functional
Analysis and Optimization , Vol. 20 (1&2)  (1999), S. 79-98

R. RamlauModifizierte Landweber-Iterationen zur Lösung von schlecht gestellten Inversen Problemen , Dissertation, Universität Potsdam  1997

P. Maass and R. RamlauWavelet-accelerated regularization methods for Hyperthermia Treatment Planning , International Journal of Imaging Systems and Technology, Vol. 7 (1996), S.191-199

R. RamlauIdentification of optical thin film systems with the method of phase reconstruction,
Inverse Problems 12 (1996), S. 77-87