Christian Clason: Publikationen

Bücher | Journale | Buchkapitel | Tagungsbeiträge | Prüfungsschriften | Andere

• Christian Clason: 
  Introduction to Functional Analysis, 
  Compact Textbooks in Mathematics. Birkhäuser Basel, 2020.
   
• Christian Clason: 
  Einführung in die Funktionalanalysis, 
  Mathematik Kompakt. Birkhäuser Basel, 2019.

• Christian Clason, Vu Huu Nhu, Arnd Rösch: 
  Numerical analysis of a nonsmooth quasilinear elliptic control problem: II. Finite element discretization and error estimates, 
  submitted 2023; arXiv:2303.03060.
   
• Christian Clason, Vu Huu Nhu, Arnd Rösch: 
  Numerical analysis of a nonsmooth quasilinear elliptic control problem: I. Explicit second-order optimality conditions, 
  submitted 2022; arXiv:2203.16865.
   
• Christian Clason, Carla Tameling, Benedikt Wirth: 
  Convex relaxation of discrete vector-valued optimization problems, 
  SIAM Review 63 (2021), 783-821; arXiv:2108.10077. 
  [ Matlab code ]
   
• Christian Clason, Vu Huu Nhu, Arnd Rösch: 
  No-gap second-order optimality conditions for optimal control of a non-smooth quasilinear elliptic equation, 
  ESAIM: Control, Optimisation and Calculus of Variation 27 (2021), 62; arXiv:2003.11478.
   
• Christian Clason, Karl Kunisch, Philip Trautmann: 
  Optimal control of the principal coefficient in a scalar wave equation, 
  Applied Mathematics and Optimization 84 (2021), 2889-2921; arXiv:1912.08672. 
  [ Python code ]
   
• Christian Clason, Dirk Lorenz, Hinrich Mahler, Benedikt Wirth: 
  Entropic regularization of continuous optimal transport problems, 
  Journal of Mathematical Analysis and Applications 494 (2021), 124432; arXiv:1906.01333.
   
• Christian Clason, Vu Huu Nhu: 
  Bouligand-Levenberg-Marquardt iteration for a non-smooth ill-posed problem, 
  Electronic Transactions on Numerical Analysis 51 (2019), 274-314; arXiv:1902.10596. 
  [ Python code | Julia Code ]
   
• Christian Clason, Stanislav Mazurenko, Tuomo Valkonen: 
  Primal-dual proximal splitting and generalized conjugation in non-smooth non-convex optimization, 
  Applied Mathematics and Optimization 84 (2021), 1239-1284; arXiv:1901.02746. 
  [ Julia code ]
   
• Christian Clason, Vu Huu Nhu, Arnd Rösch: 
  Optimal control of a non-smooth quasilinear elliptic equation, 
  Mathematical Control and Related Fields 11 (2021), 521-554; arXiv:1810.08007. 
  [ Python code ]
   
• Christian Clason, Yu Deng, Patrick Mehlitz, Uwe Prüfert: 
  Optimal control problems with control complementarity constraints, 
  Optimization Methods and Software 35 (2020), 142-170; arXiv:1809.09920.
   
• Christian Clason, Tapio Helin, Remo Kretschmann, Petteri Piiroinen: 
  Generalized modes in Bayesian inverse problems, 
  SIAM/ASA Journal on Uncertainty Quantification 7 (2019), 652–684; arXiv:1806.00519.
   
• Christian Clason, Andrej Klassen: 
  Quasi-solution of linear inverse problems in non-reflexive Banach spaces, 
  Journal of Inverse and Ill-posed Problems 26 (2018), 689–702; arXiv:1803.10168.
   
• Christian Clason, Thi Bich Tram Do, Frank Pörner: 
  Error estimates for the approximation of multibang control problems, 
  Computational Optimization and Applications 71 (2018), 857-878; arXiv:1803.04298. 
  [ Python code ]
   
• Christian Clason, Vu Huu Nhu: 
  Bouligand-Landweber iteration for a non-smooth ill-posed problem, 
  Numerische Mathematik 142 (2019), 789–832; arXiv:1803.02290. 
  [ Python code | Julia Code ]
   
• Christian Clason, Stanislav Mazurenko, Tuomo Valkonen: 
  Acceleration and global convergence of a first-order primal-dual method for nonconvex problems, 
  SIAM Journal on Optimization 29 (2019), 933-963; arXiv:1802.03347.
   
• Christian Clason, Akhtar A. Khan, Miguel Sama, Christiane Tammer: 
  Contingent derivatives and regularization for noncoercive inverse problems, 
  Optimization 68 (2019), 1337-1364; arXiv:1802.05062.
   
• Christian Clason, Florian Kruse, Karl Kunisch: 
  Total variation regularization of multi-material topology optimization, 
  ESAIM: Mathematical Modelling and Numerical Analysis 52 (2018), 275-303; arXiv:1708.06165.
   
• Constantin Christof, Christian Clason, Christian Meyer, Stephan Walther: 
  Optimal control of a non-smooth semilinear elliptic equation, 
  Mathematical Control and Related Fields 8 (2018), 247-276; arXiv:1705.00939.
   
• Christian Clason, Carla Tameling, Benedikt Wirth: 
  Vector-valued multibang control of differential equations, 
  SIAM Journal on Control and Optimization 56 (2018), 2295-2326; arXiv:1611.07853. 
  [ Matlab code ]
   
• Richard C. Barnard, Christian Clason: 
  L¹ penalization of volumetric dose objectives in optimal control of PDEs, 
  Computational Optimization and Applications 67 (2017), 401-419; arXiv:1607.01655. 
  [ Python code ]
   
• Christian Clason, Tuomo Valkonen: 
  Primal-dual extragradient methods for nonlinear nonsmooth PDE-constrained optimization, 
  SIAM Journal on Optimization 27 (2017), 1314-1339; arXiv:1606.06219. 
  [ Matlab code ]
   
• Christian Clason, Karl Kunisch, Armin Rund: 
  Nonconvex penalization of switching control of partial differential equations, 
  Systems & Control Letters 106C (2017), 1-8; arXiv:1605.09750. 
  [ Matlab code ]
   
• Christian Clason, Tuomo Valkonen: 
  Stability of saddle points via explicit coderivatives of pointwise subdifferentials, 
  Set-Valued and Variational Analysis 25 (2017), 69-112; arXiv:1509.06582.
   
• Christian Clason, Barbara Kaltenbacher, Daniel Wachsmuth: 
  Functional error estimators for the adaptive discretization of inverse problems, 
  Inverse Problems 32 (2016), 104004; arXiv:1507.08077.
   
• Christian Clason, Karl Kunisch: 
  A convex analysis approach to multi-material topology optimization, 
  ESAIM: Mathematical Modelling and Numerical Analysis 50 (2016), 1917-1936; arxiv:1702.07525. 
  [ Matlab code ]
   
• Christian Clason, Armin Rund, Karl Kunisch, Richard C. Barnard: 
  A convex penalty for switching control of partial differential equations, 
  Systems & Control Letters 89 (2016), 66-73; arxiv:1702.07505. 
  [ Matlab code ]
   
• Christian Clason, Anton Schiela: 
  Optimal control of elliptic equations with positive measures, 
  ESAIM: Control, Optimisation and Calculus of Variations 23 (2017), 217-240; arxiv:1702.07528. 
  [ Matlab code ]
   
• Christoph Aigner, Christian Clason, Armin Rund, Rudolf Stollberger: 
  Efficient high-resolution RF pulse design applied to simultaneous multi-slice excitation, 
  Journal of Magnetic Resonance 263 (2016), 33-44; arxiv:1702.07503. 
  [ Matlab code ]
   
• Christian Clason, Kazufumi Ito, Karl Kunisch: 
  A convex analysis approach to optimal controls with switching structure for partial differential equations, 
  ESAIM: Control, Optimisation and Calculus of Variations 22 (2016), 581-609; arxiv:1702.07540. 
  [ Matlab code ]
   
• Christian Clason, Karl Kunisch: 
  Multi-bang control of elliptic systems, 
  Annales de l'Institut Henri Poincaré (C) Analyse Non Linéaire 31 (2014), 1109-1130. 
  [ Matlab code | Python code ]
   
• Christian Clason, Barbara Kaltenbacher: 
  Avoiding degeneracy in the Westervelt equation by state constrained optimal control, 
  Evolution Equations and Control Theory 2 (2013), 281-300.
   
• Christian Clason, Barbara Kaltenbacher: 
  Optimal control of a singular PDE modeling transient MEMS with control or state constraints, 
  Journal of Mathematical Analysis and Applications 410 (2014), 455-468.
   
• Patricia Brunner, Christian Clason, Manuel Freiberger, Hermann Scharfetter: 
  A deterministic approach to the adapted optode placement for illumination of highly scattering tissue, 
  Biomedical Optics Express 3 (2012), 1732-1743.
   
• Eduardo Casas, Christian Clason, Karl Kunisch: 
  Parabolic control problems in measure spaces with sparse solutions, 
  SIAM J. Control Optim. 51 (2013), 28-63. 
  [ Matlab code | Python code ]
   
• Christian Clason: 
  L-infinity fitting for inverse problems with uniform noise, 
  Inverse Problems 28 (2012), 104007. 
  [ Matlab code | Python code ]
   
• Christian Clason, Barbara Kaltenbacher: 
  On the use of state constraints in optimal control of singular PDEs, 
  Systems & Control Letters, 62 (2013), 48-54.
   
• Eduardo Casas, Christian Clason, Karl Kunisch: 
  Approximation of elliptic control problems in measure spaces with sparse solutions, 
  SIAM J. Control Optim. 50 (2012), 1735-1752. 
  [ Matlab code | Python code ]
   
• Christian Clason, Gregory von Winckel: 
  A general spectral method for the numerical simulation of one-dimensional interacting fermions, 
  Computer Physics Communications 183 (2011), 405-417,
  Computer Physics Communications 183 (2012), 1843-1844 (new version announcement). 
  [ Matlab code | Python code ], published in the CPC Program Library.
   
• Christian Clason, Karl Kunisch: 
  A measure space approach to optimal source placement, 
  Computational Optimization and Applications 53 (2012), 155-171. 
  [ Matlab code ]
   
• Christian Clason, Kazufumi Ito, Karl Kunisch: 
  A minimum effort optimal control problem for elliptic PDEs, 
  ESAIM: Mathematical Modelling and Numerical Analysis 46 (2012), 911-927. 
  [ Matlab code ]
   
• Florian Knoll, Christian Clason, Kristian Bredies, Martin Uecker, Rudolf Stollberger: 
  Parallel imaging with nonlinear reconstruction using variational penalties, 
  Magnetic Resonance in Medicine 67 (2012), 34-41. 
  Selected for the Virtual Issue: Data Sampling and Image Reconstruction. 
  [ Matlab code ]
   
• Christian Clason, Bangti Jin: 
  A semi-smooth Newton method for nonlinear parameter identification problems with impulsive noise, 
  SIAM J. Imaging Sci. 5 (2012), 505-538. 
  [ Matlab code ]
   
• Christian Clason, Kazufumi Ito, Karl Kunisch: 
  Minimal invasion: An optimal L^infty state constraint problem, 
  ESAIM: Mathematical Modelling and Numerical Analysis 45 (2010), 505-522. 
  [ Matlab code ]
   
• Manuel Freiberger, Christian Clason, Hermann Scharfetter: 
  Total variation regularization for nonlinear fluorescence tomography with an augmented Lagrangian splitting approach, 
  Applied Optics 49 (2010), 3741-3747. 
  Selected for Virtual Journal for Biomedical Optics, Volume 5, Issue 11.
   
• Christian Clason, Bangti Jin, Karl Kunisch: 
  A duality-based splitting method for l1-TV image restoration with automatic regularization parameter choice, 
  SIAM J. Sci. Comp. 32 (2010), 1484-1505. 
  [ Matlab code ]
   
• Florian Knoll, Markus Unger, Christian Clason, Clemens Diwoky, Thomas Pock, Rudolf Stollberger: 
  Fast reduction of undersampling artifacts in radial MR angiography with 3D total variation on graphics hardware, 
  Magn Reson Mater Phy 23 (2010), 103-114.
   
• Christian Clason, Bangti Jin, Karl Kunisch: 
  A semismooth Newton method for L1 data fitting with automatic choice of regularization parameters and noise calibration, 
  SIAM J. Imaging Sci. 3 (2010), 199-231. 
  [ Matlab code ]
   
• Manuel Freiberger, Christian Clason, Hermann Scharfetter: 
  Adaptation and focusing of optode configurations for fluorescence optical tomography by experimental design methods, 
  Journal of Biomedical Optics 15 (2010), 016024.
   
• Florian Knoll, Christian Clason, Clemens Diwoky, Rudolf Stollberger: 
  Adapted random sampling patterns for accelerated MRI, 
  Magn Reson Mater Phy, 24 (2011), 43-50. 
   
• Christian Clason, Karl Kunisch: 
  A duality-based approach to elliptic control problems in non-reflexive Banach spaces, 
  ESAIM: Control, Optimisation and Calculus of Variations, 17 (2011), 243-266. 
  [ Matlab code ]
   
• Christian Clason, Peter Hepperger: 
  A forward approach to numerical data assimilation, 
  SIAM J. Sci. Comp. 31 (2009), 3090-3115.
   
• Frank Bauer, Christian Clason: 
  On theoretical limits in parallel magnetic resonance imaging, 
  International Journal of Tomography & Simulation 18 (2011), 10-23.
   
• Stephen Keeling, Christian Clason, Michael Hintermüller, Florian Knoll, Antoine Laurain, Gregory von Winckel: 
  An image space approach to Cartesian based parallel MR imaging with total variation regularization, 
  Medical Image Analysis 16 (2012), 189-200.
   
• Christian Clason, Barbara Kaltenbacher, Slobodan Veljović: 
  Boundary optimal control of the Westervelt and the Kuznetsov equation, 
  J. Math. Anal. Appl. 356 (2009), 738-751.
   
• Christian Clason, Gregory von Winckel: 
  On a bilinear optimization problem in parallel magnetic resonance imaging, 
  Applied Mathematics and Computation 216 (2010), 1443-1452.
   
• Christian Clason, Michael Klibanov: 
  The quasi-reversibility method for thermoacoustic tomography in a heterogeneous medium, 
  SIAM J. Sci. Comp. 30 (2007), 1-23.
   
• Larisa Beilina, Christian Clason: 
  An adaptive hybrid FEM/FDM method for an inverse scattering problem in scanning acoustic microscopy, 
  SIAM J. Sci. Comp. 28 (2006), 382-402.
   
• Christian Clason, Andreas M. Hinz, Heinrich Schieferstein: 
  A method for material parameter determination for the human mandible based on simulation and experiment, 
  Comput. Methods Biomech. Biomed. Engin. 7 (2004), 265-276.  

• Christian Clason, Barbara Kaltenbacher, Elena Resmerita: 
  Regularization of ill-posed problems with non-negative solutions, 
  Splitting Algorithms, Modern Operator Theory, and Applications, H. Bauschke, R. Burachik, R. Luke (eds.), Springer, 2019;arXiv:1805.01722.
   
• Christian Clason, Thi Bich Tram Do: 
  Convex regularization of discrete-valued inverse problems, 
  New Trends in Parameter Identification for Mathematical Models, B. Hofmann, A. Leitão, and J. Zubelli (eds.), Birkhäuser, 2018; arXiv:1707.01041. 
  [ Matlab code ]

• Christian Clason, Yu Deng, Patrick Mehlitz, Uwe Prüfert: 
  A penalization scheme for the numerical solution of optimal control problems with control complementarity constraints, 
  Proc. Appl. Math. Mech., 19 (2019), e201900122.
   
• Christoph Brauer, Christian Clason, Dirk Lorenz, Benedikt Wirth: 
  A Sinkhorn-Newton method for entropic optimal transport, 
  revised 2018; arXiv:1710.06635. 
  [ Matlab code ]
   
• Christoph Aigner, Christian Clason, Armin Rund, Andreas Petrovic, Rudolf Stollberger: 
  Design of complex RF pulse shapes for asymmetric excitation patterns via optimal control, 
  Biomed Tech 61, S1 (2016), S140.
   
• Markus Bödenler, Christoph Aigner, Armin Rund, Christian Clason, Rudolf Stollberger: 
  Fast optimization of RF excitation, 
  Magn Reson Mater Phy, 29, S1 (2016), 358.
   
• Christoph Aigner, Christian Clason, Armin Rund, Rudolf Stollberger: 
  Low SAR RF-pulse design by joint optimization of RF and gradient shape with physical constraints, 
  Proceedings of the 24th Scientific Meeting and Exhibition of ISMRM, Singapur, 7-13 May 2016, 1133.
   
• Christian Clason, Karl Kunisch, Armin Rund: 
  Optimal control of partial differential equations with nonsmooth cost functionals, 
  Proceedings of the XXIV Congress on Differential equations and applications, Cádiz, June 8--12, 2015, 3-8.
   
• Christoph Aigner, Christian Clason, Armin Rund, Rudolf Stollberger: 
  SAR reduced excitation by joint design of RF pulse and slice selective gradient shape, 
  Proceedings of the 23rd Scientific Meeting and Exhibition of ISMRM, Toronto, Canada, 30 May-5 June 2015, 2397.
   
• Christoph Aigner, Christian Clason, Armin Rund, Rudolf Stollberger: 
  RF pulse design for simultaneous multislice excitation with highly reduced B1 peak amplitude, 
  Proceedings of the 23rd Scientific Meeting and Exhibition of ISMRM, Toronto, Canada, 30 May-5 June 2015, 915; oral presentation, magna cum laude award.
   
• Christoph Aigner, Christian Clason, Armin Rund, Rudolf Stollberger: 
  RF pulse design for low SAR simultaneous multislice (SMS) excitation using optimal control, 
  Proceedings of the 22nd Scientific Meeting and Exhibition of ISMRM, Milan, Italy, 10-16 May 2014.
   
• Christoph Aigner, Christian Clason, Armin Rund, Rudolf Stollberger: 
  Validation of a flexible optimal control approach for RF-pulse design including relaxation effects and SAR, 
  Tagungsband zur ÖGBMT-Jahrestagung 2014, 23-24.
   
• Florian Knoll, Christian Clason, Kristian Bredies, Rudolf Stollberger: 
  Iterative image reconstruction for accelerated MR-imaging: Mathematics meets radiology, 
  Abstracts of the 29th Annual Meeting of the Austrian Society for Radio Oncology, Radio Biology and Medical Radiophysics, Gmunden, Austria, 28-29 September, 2012,
  Strahlenther Onkol 189 (2013), 184-185.
   
• Christian Clason: 
  Parameter identification problems with non-Gaussian noise. 
  in: Habib Ammari, Liliana Borcea, Thorsten Hohage, Barbara Kaltenbacher (eds.), Computational Inverse Problems, 
  Oberwolfach Report 9 (2013), 3117-3118.
   
• Florian Knoll, Christian Clason, Kristian Bredies, Martin Uecker, Rudolf Stollberger: 
  Parallel Imaging with Nonlinear Reconstruction Using Variational Penalties, 
  Proceedings of the 19th Scientific Meeting and Exhibition of ISMRM, Montréal, Canada, 7-13 May 2011; oral presentation.
   
• Markus Kraiger, Florian Knoll, Christian Clason, Rudolf Stollberger: 
  Assessment of Iterative Regularized Parallel Imaging Reconstruction for Quantitative Magnetic Resonance Imaging, 
  Proceedings of the 44th Annual Meeting of the German-Austrian-Swiss Society for Biomedical Engineering, Rostock, Germany, 5-8 October, 2010,
  Biomed Tech 55:s1 (2010), 234-237.
   
• Christian Clason, Barbara Kaltenbacher, Irena Lasiecka, Slobodan Veljović: 
  Optimal boundary control for equations of nonlinear acoustics, 
  15th International Conference on Methods and Models in Automation and Robotics (MMAR), Miedzyzdroje, Poland, 23-26 August, 2010.
   
• Florian Knoll, Christian Clason, Rudolf Stollberger: 
  Tailored 3D Random Sampling Patterns for Nonlinear Parallel Imaging, 
  Proceedings of the 18th Scientific Meeting and Exhibition of ISMRM, Stockholm, Sweden, 1-7 May 2010.
   
• Florian Knoll, Christian Clason, Manuela Aschauer, Franz Ebner, Rudolf Stollberger: 
  Adapted Random 3D Sampling Patterns for CE-MRA, 
  Proceedings of the 18th Scientific Meeting and Exhibition of ISMRM, Stockholm, Sweden, 1-7 May 2010.
   
• Markus Kraiger, Florian Knoll, Christian Clason, Rudolf Stollberger: 
  Quantification of Transversal Relaxation Time T2 using an Iterative Regularized Parallel Imaging Reconstruction, 
  Proceedings of the 18th Scientific Meeting and Exhibition of ISMRM, Stockholm, Sweden, 1-7 May 2010.
   
• Gerald Buchgraber, Florian Knoll, Manuel Freiberger, Christian Clason, Markus Grabner, Rudolf Stollberger: 
  Fast Regridding using LSQR on Graphics Hardware, 
  Proceedings of the 18th Scientific Meeting and Exhibition of ISMRM, Stockholm, Sweden, 1-7 May 2010.
   
• Florian Knoll, Christian Clason, Franz Ebner, Manuela Aschauer, Rudolf Stollberger: 
  CE-MRA with tailored 3D random sampling patterns and nonlinear parallel imaging reconstruction, 
  21th Annual International Conference on Magnetic Resonance Angiography, East Lansing, Michigan, USA, 29 September-1 October 2009.
   
• Florian Knoll, Christian Clason, Martin Uecker, Rudolf Stollberger: 
  Improved Reconstruction in non Cartesian Parallel Imaging by Regularized Nonlinear Inversion, 
  Proceedings of the 17th Scientific Meeting and Exhibition of ISMRM, Honolulu, Hawaii, USA, 18-24 April 2009.
   
• Ruxandra Lasowski, Selim Benhimane, Jakob Vogel, Christian Clason, Tobias F. Jakobs, Christoph J. Zech, Christoph Trumm, Nassir Navab: 
  Adaptive visualization for needle guidance in RF Liver Ablation: taking organ deformation into account, 
  SPIE Medical Imaging, San Diego, California, USA, 16-21 February 2008.
   
• Larisa Beilina, Christian Clason: 
  An inverse medium problem for scanning acoustic microscopy, 
  PAMM 5 (2005), 647-648.
   
• Andreas Hinz, Christian Clason: 
  Quantitative sonography for bone material, 
  ESAIM Proc. 12 (2002), 73-74.
   
• Christian Clason, Andreas Hinz: 
  Simulation of the Elastic Behaviour of the Human Mandible: Experimental Validation and Material Parameter Identification, 
  ESAIM Proc. 12 (2002), 31-33.
   
• Heinrich Schieferstein et al.: 
  Structure Analysis of the Human Mandible -- Experimental Study and Numerical Simulation, 
  1st International Congress on Mastication and Health, Yokohama, September 15-18, 2002.
   
• Heinrich Schieferstein et al.: 
  Experimental study and numerical simulation of the mechanical behaviour of the human mandible, 
  Proceedings of the XVIIIth Congress of the International Society of Biomechanics, Zürich, 2001.  

• Cumulative habilitation thesis: 
  Numerical solution of optimal control and inverse problems in non-reflexive Banach spaces, 
  Institute for Mathematics and Scientific Computing, Karl-Franzens-Universität Graz, 2012. 
  [ Summary ]
   
• Dissertation: 
  A direct method for the numerical time reversal of waves in a heterogeneous medium, 
  Center for Mathematics, Technische Universität München, 2006.
   
• Diploma thesis: 
  Lösung eines inversen Problems aus der Biomechanik via Finite Elemente, 
  Department of Mathematics, Ludwig-Maximilians-Universität München, 2001.

• Christian Clason, Tuomo Valkonen: 
  Introduction to Nonsmooth Analysis and Optimization, 
  work in progress, 2020; arXiv:2001.00216v3.
   
• Christian Clason: 
  Regularization of Inverse Problems, 
  lecture notes, 2020; arXiv:2001.00617.
   
• Christian Clason: 
  Optimierung mit "Knick", 
  UNIKATE 53 (2019), 60-67.
   
• Christian Clason: 
  Introduction to Finite Element Methods, 
  lecture notes, 2017; arXiv:1709.08618.
   
• Christian Clason: 
  Nonsmooth Analysis and Optimization, 
  lecture notes, 2017; arXiv:1708.04180.
   
• Karl Kunisch, Kristian Bredies, Christian Clason, Gregory von Winckel (eds.): 
  Control and Optimization with PDE Constraints, 
  volume 164 of International Series of Numerical Mathematics, Birkhäuser, Basel, 2013.
   
• Christian Clason, Maxim Shishlenin: 
  Recent advances in analytical and numerical methods in inverse problems for PDEs (minisymposium report), 
  J. Inverse Ill-posed Problems 18 (2011), 955-958.
   
• Christian Clason, Andreas Hinz: 
  From bits to bites: mathematical simulations for cranio-maxillofacial surgery, 
  in Bubbles, Jaws, Moose Tests, and More: The Wonderful World of Numerical Simulation, Hans-Joachim Bungartz, Ralf-Peter Mundani, Anton Christian Frank (eds.), Springer VideoMATH, 2005.