Transfer Group

Publications


Peer Reviewed Journal Publication
  • V. Hutterer, R. Ramlau (2018) Wavefront reconstruction from nonmodulated pyramid wavefront sensor data using a singular value type expansion. Inverse Problems (34), S. 035002 (19 pp).
  • Wagner, Roland; Neubauer, Andreas; Ramlau, Ronny (2017) Simulation results for a finite element-based cumulative reconstructor. Journal of Astronomical Telescopes Instruments and Systems, Bd. 3 (4), S. 049001.
  • Lorenz, Norbert; Offner, Günter; Knaus, Oliver (2017) Thermal analysis of hydrodynamic lubricated journal bearings in internal combustion engines. Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, Bd. 231 (3), S. 406-419. (link)
  • R. Ramlau, I. Shatokhina (2017) Convolution and Fourier transform based reconstructors for pyramid wavefront sensor. Applied Optics, Bd. 56 (22), S. 6381-6390.
  • D. Gerth, A. Hofinger, R. Ramlau (2017) On the lifting of deterministic convergence rates for inverse problems with stochastic noise. Journal of Inverse Problems and Imaging (11), S. 663-687.
  • A.-K. Baum, M. Kolmbauer (2017) Topological solvability and DAE-index conditionsfor mass flow controlled pumps in liquid flow networks. Electr. Trans. Num. Anal. (ETNA), Bd. 46, S. 394-423.
  • S. Hubmer, R. Ramlau (2017) Convergence Analysis of a Two-Point Gradient Method for Nonlinear Ill-Posed Problems. Inverse Problems (33).
  • S. Hubmer, A. Neubauer, R. Ramlau, H. U. Voss (2017) On the Parameter Estimation Problem of Magnetic Resonance Advection Imaging. Journal of Inverse Problems and Imaging, Bd. 12 (1), S. 175-204.
  • Neubauer, Andreas; Ramlau, Ronny (2017) A singular value type decomposition for the atmospheric tomography operator. SIAM Journal on Applied Mathematics, Bd. 77, S. 838-853.
  • Klann, Esther; Ramlau, Ronny; Sun, Peng (2017, online: 2017) A Mumford-Shah-type approach to simultaneous reconstruction and segmentation for emission tomography problems with Poisson statistics. Journal of Inverse and Ill-Posed Problems, Bd. -, S. 1-22. (link)
  • Ramlau, Ronny; Saxenhuber, Daniela (2016) A gradient-based method of atmospheric tomography. Inverse Problems and Imaging, Bd. 10 (3), S. 781-805.
  • Motta, M.; Galli, D. E.; Liebrecht, M.; Del Maestro, A.; Cole, M. W. (2016) Quasi-One-Dimensional Electronic States Inside and Outside Helium-Plated Carbon Nanotubes. J. Low Temp. Phys., Bd. 185 (1-2), S. 161-173.
  • Wagner, Roland; Helin, Tapio; Obereder, Andreas; Ramlau, Ronny (2016) Efficient Reconstruction Method for Ground Layer Adaptive Optics with mixed Natural and Laser Guide Stars. Applied Optics, Bd. 55 (6), S. 1421-1429 <'http://dx.doi.org/10.1364/AO.55.001421'>.
  • Raffetseder, Stefan; Ramlau, Ronny; Yudytskiy, Mykhaylo (2016, online: 2016) Optimal mirror deformation for multi conjugate adaptive optics systems. Inverse Problems, Bd. 32 (2), S. 22.
  • Lorenz, N.; Offner, G.; Knaus, O.; Taylor, R. I. (2015) Fast thermo-elasto-hydrodynamic modelling approach for mixed lubricated journal bearings in ICEs. Proc. Inst. Mech. Eng. Part J.-J. Eng. Tribol., Bd. 229 (8), S. 1039-1040.
  • Lorenz, Norbert; Offner, Günter; Knaus, Oliver (2015) Fast thermo-elasto-hydrodynamic modelling approach for mixed lubricated journal bearings in internal combustion engines. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology (SAGE Publications), Bd. 229 (8), S. 962-976.
  • Kylanpaa, I.; Aichinger, M.; Janecek, S.; Rasanen, E. (2015) Finite-size effects and interactions in artificial graphene formed by repulsive scatterers. J. Phys.-Condes. Matter, Bd. 27 (42), S. ARTN 425501.
  • Gerth, Daniel; Hahn, Bernadette N.; Ramlau, Ronny (2015) The method of the approximate inverse for atmospheric tomography. Inverse Probl., Bd. 31 (6), S. ARTN 065002.
  • Emans, Maximilian (2015) Aggregation algorithms for k-cycle AMG in computational fluid dynamics. Prog. Comput. Fluid Dyn., Bd. 15 (6), S. 9-25.
  • Ramlau, Ronny; Bleyer, Ismael (2015) An alternating iterative minimisation algorithm for the double-regularised total least square functional. Inverse Problems, Bd. 31 (7), S. 075002. (link)
  • Klann, Esther; Quinto, Eric Todd; Ramlau, Ronny (2015) Wavelet methods for a weighted sparsity penalty for region of interest tomography. Inverse Probl., Bd. 31 (2), S. ARTN 025001.
  • Haslinger, Josef; Offner, Günter; Sopouch, Martin (2014, online: 2014) Non-smooth dynamics of coil contact in valve springs. ZAMM Zeitschrift für Angewandte Mathematik und Mechanik, Bd. 94 (11), S. 957-967.
  • Ramlau, Ronny; Niebsch, Jenny (2014, online: 2014) Simultaneous estimation of mass and aerodynamic rotor imbalances for wind turbines. Journal of mathematics in Industry (2014), S. 4:12 . (link)
  • Wang, W.; Anzengruber, S. W.; Ramlau, R.; Han, B. (2014) A global minimization algorithm for Tikhonov functionals with sparsity constraints. Applicable Analysis, Bd. 94 (3), S. 580-611.
  • Aichinger, Michael; Janecek, Stefan; Kylänpää, Ilkka; Räsänen, Esa (2014, online: 2014) Dirac physics in flakes of artificial graphene in magnetic fields. Physical Review B, Bd. 89, S. 235433 . (link)
  • A. Neubauer, R. Ramlau (2014) On convergence rates for quasi-solutions of ill-posed problems. ETNA, Bd. 41, S. 81-92.
  • D. Gerth, R. Ramlau (2014) A stochastic convergence analysis for Tikhonov regularization with sparsity constraints. Inverse Problems, Bd. 30 (5), S. 055009.
  • M. Yudytskiy, T. Helin, R. Ramlau (2014) Finite element-wavelet hybrid algorithm for atmospheric tomography. Journal of the Optical Society of America A, Bd. 31 (3), S. 550-560.
  • R. Ramlau, A. Obereder, M. Rosensteiner, D. Saxenhuber (2014, online: 2014) Efficient iterative tip/tilt reconstruction for atmospheric tomography. Inverse Problems in Science and Engineering, Bd. 22 (8), S. 1345-1366.
  • Anzengruber, S. W.; Hofmann, B.; Ramlau, R. (2013) On the interplay of basis smoothness and specific rangeconditions occurring in sparsity regularization. Inverse Problems, Bd. 29 (12), S. 125002.
  • M. Rosensteiner, R. Ramlau (2013) The Kaczmarz algorithm for multiconjugated adaptive optics with laser guide starsJournal of the Optical Society of America. Journal of the Optical Society of America A, Bd. 30(8), S. 1680-1686.
  • M. Eslitzbichler, C. Pechstein, R. Ramlau (2013) An H^1 Kaczmarz reconstructor for atmospheric tomography. Journal of Inverse and Ill-Posed Problems, Bd. 21 (3), S. 431-450.
  • I. Shatokhina, A. Obereder, M. Rosensteiner, R. Ramlau (2013) Preprocessed cumulative reconstructor with domain decomposition: a fast wavefront reconstruction method for pyramid wavefront sensor. Applied Optics, Bd. 52(12), S. 2640-2652.
  • E. Klann, R. Ramlau (2013) Regularization properties of Mumford-Shah type functionals with perimeter and norm constraints for linear ill-posed problems. SIAM Journal of Imaging Sciences, Bd. 6, S. 413-436.
  • T. Helin, M. Yudytskiy (2013, online: 2013) Wavelet methods in multi-conjugate adaptive optics. Inverse Problems, Bd. 29 (8), S. 085003. (link)
  • I. Bleyer, R. Ramlau (2013) A Double Regularization Approach for Inverse Problems with Noisy Data and Inexact Operator. Inverse Problems, Bd. 29, S. 025004.
  • Janecek, Stefan; Aichinger, Michael; Hernández, Eduardo R. (2013) Two-dimensional Bloch electrons in perpendicular magnetic fields: An exact calculation of the Hofstadter butterfly spectrum. Physical Review B, Bd. 87, S. 235429.
  • D. Hufnagl, R.E. Zillich (2013) Stability and excitations of a bilayer of strongly correlated dipolar bosons. Physical Review A (87), S. 033624.
  • A. Macia, D. Hufnagl, F. Mazzanti, J. Boronat, R.E. Zillich (2012) Excitations and Stripe Phase Formation in a Two-Dimensional Dipolar Bose Gas with Tilted Polarization. Physical Review Letters (109), S. 235307.
  • Lettmann, K.; Riedinger, N.; Ramlau, R.; Knab, N.; Böttcher, M. et al. [..] (2012) Estimation of biogeochemical rates from concentration profiles: a novel inverse method. Estuarine, Coastal and Shelf Science, Bd. 100, S. 26-37.
  • Ramlau, S. Anzengruber and R. (2011) Convergence rates for Morozov's discrepancy principle using variational inequalities. Inverse Problems, Bd. 27 (10), S. 105007.
  • T. Helin, M. Lassas (2011) Hierarchical models in statistical inverse problems and the Mumford--Shah functional. Inverse Problems, Bd. 27 (1), S. 015008.
  • (online: 2015 On fractional Tikhonov regularization., Bd. Vol. 23, S. 611--625.
  • Alessandro Buccini, Marco Donatelli, Ronny Ramlau A semi-blind regularization algorithm for inverse problems with application to image deblurring. SIAM Journal on Scientific Computing, Bd. forthcoming, S. x-x.
  • (online: 2015 An alternating iterative minimisation algorithm for the double-regularised total least square functional., Bd. 31.
  • J. Niebsch, R. Ramlau (online: 2014 Simultaneous estimation of mass and aerodynamic rotor imbalances for wind turbines. Journal of Mathematics in Industry, Bd. 4 (1), S. 12.
  • Baum, Ann-Kristin A flow-on-manifold formulation of differential-algebraic equations. ournal of Dynamics and Differential Equations, Bd. n.a., S. n.a.

Book/Monograph
  • A. Binder, M. Aichinger (2013) A Workout in Computational Finance.

Conference Contribution: Publication in Proceedings
  • Davies, R.; Schubert, J.; Hartl, M.; Alves, J.; Clenet, Y. et al. [..] (2016) MICADO: first light imager for the E-ELT., Proceedings SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI (Ground-based and Airborne Instrumentation for Astronomy VI conference); Edinburgh, S. 99081Z.
  • Haslinger, J.; Offner, G.; Sopouch, M.; Zinkiewicz, B. (2015, online: 2015) Modal Analysis of Vehicle Power Trains. In: Zavarise, G.; Cinnella, P.; Campiti, M. (Hrsg.), PAMM-Proceedings of Applied Mathematics and Mechanics (86th Annual Meeting of GAMM), Bd. 15; Lecce, S. 53-54.
  • Lorenz, Norbert; Offner, Günter; Sopouch, Martin; Ertl, Otmar (2015) Dynamic modeling approach for a continuous moving belt. (Eccomas Thematic Conference on Multibody Dynamics 2015); Barcelona, S. 320-333.
  • Lorenz, Norbert; Offner, Günter; Meuter, Matthias; Knaus, Oliver (2015) A Thermo-elasto-hydrodynamic Modelling Approach for Mixed Lubricated Journal Bearings in Internal Combustion Engines. (11th VDI Fachtagung Gleit- und Wälzlager, 2015).
  • A. Binder, M. Yudytskiy (2014) Large scale adaptive optics., Inverse Problems - from Theory to Application, Bd. 31.
  • R. Ramlau, D. Saxenhuber, M. Yudytskiy (2014) Iterative reconstruction methods in atmospheric tomography: FEWHA, Kaczmarz and Gradient-based algorithm., SPIE, Bd. 31.
  • Lorenz, Norbert; Offner, Günter; Colla, Alessandro (2013) Preloaded Initial State Evaluation of Flexible Multibody Systems. (Eccomas Thematic Conference: Multibody Dynamics 2013 Zagreb, Croatia, 01-04 July); Zagreb, S. 463-472.
  • Haslinger, J.; Offner, G.; Sopouch, M. (2013) Dynamic Simulation of Coil Contact in Valve Springs by using a Semi-smooth Newton Method. (Eccomas Thematic Conference: Multibody Dynamics 2013 Zagreb, Croatia, 01-04 July); Zagreb, S. 143-152.
  • Wurzenberger, J.; Banjac, T.; Heinzle, R.; Katrašnik, T. (2012, online: 2012) Mechanistic Modeling in System Engineering - Real-Time Capable Simulation of a TGDI Engine Powered Vehicle. (Fisita 12: World Automotive Congress).
  • Wurzenberger, J.; Heinzle, R.; Titina, B.; Katrašnik, T. (2012, online: 2012) Fahrzeug Wärmemanagement Simulation unter Verwendung von mechanistischen System-Simulationsmodellen. (International Conference on Powertrain Modelling and Control).
  • Katrašnik, T.; Heinzle, R.; Wurzenberger, J. C. (2012, online: 2012) Detailed Engine and Vehicle Plant Model to Support ECU Calibration. (International Conference on Powertrain Modelling and Control).
  • Sopouch, M.; Offner, G.; Barchanski, C.; Petrin, H.; Haslinger, J. (2012) Simulation of Gearbox Structure Borne Noise Using a Detailed Multi-body Dynamics Gear Contact Model., Getriebe in Fahrzeugen 2012 (Getriebe in Fahrzeugen 2012) In Reihe: VDI-Berichte (2158); Düsseldorf: VDI Verlag GmbH, S. 425-442.
  • Lorenz, Norbert; Offner, Günter; Knaus, Oliver (2012) Piston clearance optimization using thermo-elasto hydrodynamic simulation to reduce piston slap excitation and friction loss. (7th. International Styrian Noise, Vibration & Harshness Congress); Graz.
  • Auzinger, Günter (online: 2015 On choosing layer profiles in atmospheric tomography. (Adapting to the Atmosphere Conference 2014 15–18 September 2014, Durham, UK) In Reihe: Journal of Physics: Conference Series Vol 595, S. 012001.
  • Liebrecht, Michael; del Maestro, Adrian; Cole, Milton W. (online: 2015 Quasi-one-dimensional electron gas bound to a helium-coated nanotube. (Symposium on Quantum Fluids and Solids 2015) In Reihe: Proceedings of the International Symposium on Quantum Fluids and Solids, QFS 2015: Springer.

Conference Contribution: Poster (in Proceedings)
  • Katrašnik, T.; Heinzle, R.; Wurzenberger, J. C. (2012, online: 2012) Tailored Cylinder Models for System Level Engine Modelling (Poster). ECOSM 12.

Contribution in Collection
  • Engl, Heinz W.; Ramlau, Ronny (2015) Regularization of Inverse Problems. In: Engquist, Björn (Hrsg.), Encyclopedia of Applied and Computational Mathematics: Springer, S. 1233-1241.
  • C. Brandt, A. Krause, J. Niebsch, J. Vehmeyer, E. Brinksmeier, P. Maaß, R. Ramlau (2013) Surface Generation Process with Consideration of the Balancing State in Diamond Machining. In: Berend Denkena, Ferdinand Hollmann (Hrsg.), Lecture Notes in Production Engineering, Process Machine Interactions: Springer, S. 329-360.
  • Anderssen, R. S.; Edwards, M. P.; Jr, Sergiy Pereverzyev (2012, online: 2012) Modelling the positioning of trichomes on the leaves of plants. In: Alexandra V. Antoniouk, Roderick V. N. Melnik (Hrsg.), Mathematics and Life Sciences: De Gruyter, S. 215-228 .
  • Emans, M.; Liebmann, M.; Basara, B. (2012) Steps Towards GPU accelerated AMG. In: M. Bader, H.J. Bungartz, D. Grigoras, M. Mehl, R.P. Mundani and R. Potolea (Hrsg.), ISPDC 2012, S. 79-86.
  • Emans, M. (2012, online: 2012) Aggregation schemes for k-cycle AMG. In: Slovak University of Technology in Bratislava, Publishing House of STU (Hrsg.), Proceedings of ALGORITMY 2012; Bratislava.
  • Lu, S.; Jr., S. Pereverzyev; Sampath, S. (2012, online: 2012) Multi-parameter regularization for construction of extrapolating estimators in statistical learning theory. In: Xiaoping Shen, Ahmed I. Zayed (Hrsg.), Multiscale Signal Analysis and Modeling: Springer, S. 347-366.
  • Emans, M. (2012) Parallel Coarse-Grid Treatment in AMG for Coupled Systems. In: Wasniewski, R. Wyrzykowski and Jack Dongarra and Konrad Karczewski and Jerzy (Hrsg.), PAMM 2011, Part II; Berlin Heidelberg: Springer-Verlag, S. 361-370.
  • Emans, M. (2012) Combining Smoother and Residual Calculation in v-cycle AMG for Symmetric Problems. In: R. Wyrzykowski, Jack Dongarra, Konrad Karczewski and Jerzy Wasniewski (Hrsg.), PAMM 2011, Part I; Berlin Heidelberg: Springer-Verlag, S. 651-660.

Dissertation
  • Wagner, Roland (2017) From Adaptive Optics systems to Point Spread Function Reconstruction and Blind Deconvolution for Extremely Large Telescopes. Doktorarbeit, Industrial Mathematics Institute, JKU Linz, Linz.
  • Liebrecht, Michael (2014, online: 2014) Van der Waals potentials between metal clusters and helium atoms obtained with density functional theory and linear response methods. Doktorarbeit, Institut für Theoretische Physik, Johannes Kepler Universität, Linz.
  • Yudytskiy, M. (2014) Wavelet Methods in Adaptive Optics. Doktorarbeit, JKU, Linz.
  • Hufnagl, D. Strongly correlated dipolar Bose gases., Institut für Theoretische Physik, Johannes Kepler Universität, Linz.