Richard Kowar
Richard Kowar
University of Innsbruck, Department of Mathematics
Bestätigte E-Mail-Adresse bei
Zitiert von
Zitiert von
Convergence analysis of a Landweber—Kaczmarz method for solving nonlinear ill-posed problems
R Kowar, O Scherzer
Ill-posed and inverse problems, 253-270, 2018
Regularization of systems of nonlinear ill-posed equations: II. Applications
M Haltmeier, R Kowar, A Leitao, O Scherzer
arXiv preprint arXiv:2011.09913, 2020
Causality analysis of frequency‐dependent wave attenuation
R Kowar, O Scherzer, X Bonnefond
Mathematical methods in the applied sciences 34 (1), 108-124, 2011
Photoacoustic imaging taking into account attenuation
R Kowar, O Scherzer
arXiv preprint arXiv:1009.4350, 2010
Attenuation models in photoacoustics
R Kowar, O Scherzer
Mathematical Modeling in Biomedical Imaging II, 85-130, 2012
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
Integral equation models for thermoacoustic imaging of acoustic dissipative tissue
R Kowar
Inverse Problems 26 (9), 095005, 2010
Iterative methods for photoacoustic tomography in attenuating acoustic media
M Haltmeier, R Kowar, LV Nguyen
Inverse Problems 33 (11), 115009, 2017
On time reversal in photoacoustic tomography for tissue similar to water
R Kowar
SIAM Journal on Imaging Sciences 7 (1), 509-527, 2014
Estimation of the density, the wave speed and the acoustic impedance function in ultrasound imaging
R Kowar
Inverse problems 21 (1), 93, 2004
Ill-Posed and Inverse Problems
R Kowar, O Scherzer
VSP, 2002
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
Regularization of systems of nonlinear ill-posed equations: I. convergence analysis
M Haltmeier, A Leitao, O Scherzer
arXiv preprint arXiv:2011.09893, 2020
Computer aided location of avalanche victims with ground penetrating radar mounted on a helicopter
M Haltmeier, R Kowar, O Scherzer
na, 2005
Time reversal for photoacoustic tomography based on the wave equation of Nachman, Smith, and Waag
R Kowar
Physical Review E 89 (2), 023203, 2014
Causality analysis of the fractional state and wave equations based on fractional Laplacians
R Kowar
Wave Motion 58, 244-258, 2015
Analysis of a causal diffusion model and its backwards diffusion problem
R Kowar
Journal of Mathematical Analysis and Applications 400 (1), 222-238, 2013
On the causality of real‐valued semigroups and diffusion
R Kowar
Mathematical Methods in the Applied Sciences 35 (2), 207-227, 2012
On causality of Thermoacoustic tomography of dissipative tissue
R Kowar
Progress in Industrial Mathematics at ECMI 2010, 513-519, 2012
Causality analysis of waves and wave equations obeying attenuation
R Kowar
arXiv preprint arXiv:0901.1226, 2009
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