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Richard Kowar
Richard Kowar
University of Innsbruck, Department of Mathematics
Verified email at uibk.ac.at
Title
Cited by
Cited by
Year
Convergence analysis of a Landwerber-Kaczmarz method for solving nonlinear ill-posed problems
R Kowar, O Scherzer
Univ., 2002
742002
Regularization of systems of nonlinear ill-posed equations: II. Applications
M Haltmeier, R Kowar, A Leitao, O Scherzer
arXiv preprint arXiv:2011.09913, 2020
682020
Attenuation models in photoacoustics
R Kowar, O Scherzer
Mathematical modeling in biomedical imaging II: Optical, ultrasound, and …, 2011
362011
Causality analysis of frequency‐dependent wave attenuation
R Kowar, O Scherzer, X Bonnefond
Mathematical methods in the applied sciences 34 (1), 108-124, 2011
352011
Photoacoustic imaging taking into account attenuation
R Kowar, O Scherzer
arXiv preprint arXiv:1009.4350, 2010
342010
On the Landweber iteration for the solution of a parameter identification problem in a hyperbolic partial differential equation of second order
SI Kabanikhin, R Kowar, O Scherzer
Walter de Gruyter, Berlin/New York 6 (5), 403-430, 1998
191998
Iterative methods for photoacoustic tomography in attenuating acoustic media
M Haltmeier, R Kowar, LV Nguyen
Inverse Problems 33 (11), 115009, 2017
182017
Integral equation models for thermoacoustic imaging of acoustic dissipative tissue
R Kowar
Inverse Problems 26 (9), 095005, 2010
172010
On time reversal in photoacoustic tomography for tissue similar to water
R Kowar
SIAM Journal on Imaging Sciences 7 (1), 509-527, 2014
162014
Estimation of the density, the wave speed and the acoustic impedance function in ultrasound imaging
R Kowar
Inverse problems 21 (1), 93, 2004
112004
Ill-Posed and Inverse Problems
R Kowar, O Scherzer
VSP, 2002
92002
Numerical comparison of iterative regularization methods for a parameter estimation problem in a hyperbolic PDE
SI Kabanikhin, R Kowar, O Scherzer, VV Vasin
Journal of Inverse and Ill-posed Problems 9 (6), 615-626, 2001
92001
Computer aided location of avalanche victims with ground penetrating radar mounted on a helicopter
M Haltmeier, R Kowar, O Scherzer
na, 2005
82005
Time reversal for photoacoustic tomography based on the wave equation of Nachman, Smith, and Waag
R Kowar
Physical Review E 89 (2), 023203, 2014
72014
Mathematical Modeling in Biomedical Imaging II: Optical, Ultrasound, and Opto-Acoustic Tomographies
R Kowar, O Scherzer, H Ammari
Springer, 2012
62012
Mathematical Modeling in Biomedical Imaging II
R Kowar, O Scherzer
Springer, 2012
52012
Causality analysis of the fractional state and wave equations based on fractional Laplacians
R Kowar
Wave Motion 58, 244-258, 2015
42015
Analysis for full-field photoacoustic tomography with variable sound speed
L Nguyen, M Haltmeier, R Kowar, N Do
SIAM journal on imaging sciences 15 (3), 1213-1228, 2022
32022
Analysis of a causal diffusion model and its backwards diffusion problem
R Kowar
Journal of Mathematical Analysis and Applications 400 (1), 222-238, 2013
32013
On the causality of real‐valued semigroups and diffusion
R Kowar
Mathematical Methods in the Applied Sciences 35 (2), 207-227, 2012
32012
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