Publications

Recent Work

• V. Bosboom, H. Egger, M. Schlottbom.
• Analysis and systematic discretization of a Fokker-Planck equation with Lorentz force.
• JKU Linz, 04/2023
• arXiv:2304.01937
• A. Brunk, H. Egger, T. D. Oyedeji, Y. Yang, B.-X. Xu.
• On existence, uniqueness and stability of solutions to Cahn-Hilliard/Allen-Cahn systems with cross-kinetic coupling.
• JKU Linz, 11/2022
• arXiv:2211.07153
• T. D. Oyedeji, Y. Yang, H. Egger, and B.-X. Xu.
• Variational quantitative phase-field modeling of non-isothermal sintering process.
• JKU Linz, 09/2022
• arXiv:2209.14913
• A. Brunk, H. Egger, O. Habrich, and M. Lukacovy-Medvidova.
• A structure-preserving variational discretization scheme for the Cahn-Hilliard Navier-Stokes system.
• JKU Linz, 09/2022
• arXiv:2209.03849

2023

• H. Egger and N. Philippi.
• An asymptotic preserving hybrid-dG method for convection-diffusion equations on pipe networks.
• ESAIM: M2AN 2023, accepted.
• arXiv:2209.04238
• A. Brunk, H. Egger, and O. Habrich.
• On uniqueness and stable estimation of multiple parameters in the Cahn-Hilliard equation.
• Inverse Problems 2023, accepted.
• doi:10.1088/1361-6420/acca44
• H. Egger and J. Giesselmann.
• Stability and asymptotic analysis for instationary gas transport via relative energy estimates.
• Numerische Mathematik 2023, accepted.
• doi:10.1007/s00211-023-01349-9
• A. Brunk, H. Egger, O. Habrich, and M. Lukacova-Medvidova.
• Relative energy estimates for the Cahn-Hilliard equation with concentration dependent mobility.
• M2AN 2023, accepted.
• arXiv:2102.05704
• H. Egger and V. Shashkov.
• On higher order passivity preserving schemes for nonlinear Maxwell's equations.
• CMAM 2023, accepted
• arXiv:2202.08003
• H. Egger and B. Radu.
• A Yee-like finite element scheme for Maxwell's equations on hybrid grids.
• SCEE 2022, accepted
• arXiv:2209.10432

2022

• M. Kaltenbacher, K. Roppert, L. D. Domenig, and H Egger
• Comparison of Energy Based Hysteresis Models.
• COMPUMAG 2022, pp. 1-4.
• doi:10.1109/COMPUMAG55718.2022.9827509
• I. Cortes Garcia, H. Egger, and V. Shahskov
• MONA -- A magnetic oriented nodal analysis for electric circuits.
• Int. J. Circuit Theory Appl. 20 (2022), 2997-3012.
• doi:10.1002/cta.3301
• H. Egger, J. Giesselmann, T. Kunkel and N. Philippi
• An asymptotic-preserving discretization scheme for gas transport in pipe networks.
• IMA J. Numer. Math. (2022), drac032.
• doi:10.1093/imanum/drac032
• H. Egger, M. Harutyunyan, R. Löscher, M. Merkel and S. Schöps
• On torque computation in electric machine simulation by harmonic mortar methods.
• Journal of Mathematics in Industry 12 (2022), art.no. 6
• doi:10.1186/s13362-022-00121-2
• Y. Yang, M. Fathidoost, T. D. Oyedeji, P. Bondi, X. Zhou, H. Egger and B.-X. Xu
• A diffuse-interface model of anisotropic interface thermal conductivity and its application in thermal homogenization of composites.
• Scripta Materialia 212 (2022), 114537
• doi:10.1016/j.scriptamat.2022.114537

2021

• J. Dölz, H. Egger, and M. Schlottbom.
• A model reduction approach for inverse problems with operator valued data.
• Numer. Math. 148 (2021, 889–917.
• doi:10.1007/s00211-021-01224-5
• A. Brunk, B. Dünweg, H. Egger, O. Habrich, M. Lukacova-Medvidova, and D. Spiller.
• Analysis of a viscoelastic phase separation model.
• J. Phys.: Condens. Matter 33 (2021), 234002.
• doi:10.1088/1361-648x/abeb13
• J. Dölz, H. Egger and V. Shashkov.
• A fast and oblivious matrix compression algorithm for Volterra integral operators.
• Advances in Computational Mathematics 47 (2021), art. no. 81.
• doi:10.1007/s10444-021-09902-6
• H. Egger and B. Radu.
• A second order finite element method with mass lumping for Maxwell''s equations on tetrahedra.
• SIAM J. Numer. Anal. 59 (2021), 864–885.
• doi:10.1137/20M1318912
• D. Spiller, A. Brunk, O. Habrich, H. Egger, M. Lukacova-Medvidova, and B. Duenweg.
• Systematic derivation of hydrodynamic equations for viscoelastic phase separation.
• J. Phys.: Condens. Matter 33 (2021) 364001.
• doi:0.1088/1361-648X/ac0d17
• H. Egger and M. Sabouri.
• On the structure preserving high-order approximation of quasistatic poroelasticity.
• Math. Comp. Sim. 189 (2021), 237-252.
• doi:10.1016/j.matcom.2020.12.029
• H. Egger, O. Habrich, and V. Shashkov.
• Energy stable Galerkin approximation of Hamiltonian and gradient systems.
• Comput. Meth. Appl. Math. 21 (2021), 335-349.
• doi:10.1515/cmam-2020-0025
• N. Shokina, G. Teschner, A. Bauer, C. Tropea, H. Egger, J. Hennig, and Axel J. Krafft.
• Parametric Sequential Method for MRI-based Wall Shear Stress Quantification.
• IEEE Trans. Med. Imag. 20 (2021), 1105-1112.
• doi:10.1109/TMI.2020.3046331
• H. Egger and B. Radu.
• A second order finite element method with mass lumping for wave equations in H(div).
• In: Vermolen, F.J., Vuik, C. (eds) Numerical Mathematics and Advanced Applications ENUMATH 2019. LNCSE, vol 139. Springer, Cham.
• doi:10.1007/978-3-030-55874-1_78
• H. Egger, K. Schmidt, and V. Shashkov.
• Multistep and Runge-Kutta convolution quadrature methods for coupled dynamical systems.
• Comput. Appl. Math. 387 (2021), 112618.
• doi:10.1016/j.cam.2019.112618
• Herbert Egger and Bogdan Radu.
• A Second-Order Finite Element Method with Mass Lumping for Maxwell's Equations on Tetrahedra.
• SIAM J. Numer. Anal. 59 (2021), 864-885.
• doi:10.1137/20M1318912
• H. Egger and V. Shashkov.
• On energy preserving high-order discretizations for nonlinear acoustics.
• In: Vermolen, F.J., Vuik, C. (eds) Numerical Mathematics and Advanced Applications ENUMATH 2019. LNCSE, vol 139. Springer, Cham.
• doi:10.1007/978-3-030-55874-1_34

2020

• H. Egger and N. Philippi.
• On the transport limit of singularly perturbed convection-diffusion problems on networks.
• Math. Meth. Appl. Sci. 2020.
• doi:10.1002/mma.7084
• H. Egger, J. Dölz, and V. Shashkov.
• A convolution quadrature method for Maxwell's equations in dispersive media.
• In: van Beurden, M., Budko, N., Schilders, W. (eds) Scientific Computing in Electrical Engineering. Mathematics in Industry, vol 36. Springer, Cham.
• doi:10.1007/978-3-030-84238-3_11
• H. Egger, M. Harutyunyan, M. Merkel, and S. Schöps.
• On the stability of harmonic mortar methods with application to electric machines.
• In: van Beurden, M., Budko, N., Schilders, W. (eds) Scientific Computing in Electrical Engineering. Mathematics in Industry, vol 36. Springer, Cham.
• doi:10.1007/978-3-030-84238-3_12
• H. Egger and B. Radu.
• A mass-lumped mixed finite element method for acoustic wave propagation.
• Numer. Math. 145 (2020), 239-269.
• doi:10.1007/s00211-020-01118-y
• H. Egger and L. Schöbel-Kröhn.
• Chemotaxis on networks: analysis and numerical approximation.
• ESAIM: M2AN 54 (2020), 1339-1372.
• doi:10.1051/m2an/2019069
• H. Egger, T. Kugler, and V. Shashkov.
• An inexact Petrov-Galerkin approximation for gas transport in pipeline networks.
• In: Spectral and High Order Methods for Partial Differential Equations ICOSAHOM 2018, Springer 2020.
• doi:10.1007/978-3-030-39647-3_34
• H. Egger and N. Philippi.
• A hybrid discontinuous Galerkin method for transport problems on networks.
• In: Finite Volumes for Complex Applications IX - Methods, Theoretical Aspects, Examples. FVCA 2020. Springer, 2020.
• doi:10.1007/978-3-030-43651-3_45
• H. Egger and B. Radu.
• On a second order multipoint flux mixed finite element method on hybrid meshes.
• SIAM J. Numer. Anal. 58 (2020), 1822-1844.
• doi:10.1137/19M1236862
• H. Egger, T. Kugler, and B.-L. Sailer.
• Stability preserving approximations of a semilinear hyperbolic gas transport model.
• In: Proceedings of the XVII International Conference (HYP2018) on Hyperbolic Problems, AIMS (2020), 427-438.
• arXiv:1812.03726
• A. Böttcher and H. Egger.
• Structure Preserving Discretization of Allen–Cahn Type Problems Modeling the Motion of Phase Boundaries.
• Vietnam J. Math. 48 (2020), 847-863.
• doi:10.1007/s10013-020-00428-w
• H. Egger and B. Radu.
• A mass-lumped mixed finite element method for Maxwell's equations.
• In: Scientific Computing in Electrical Engineering SCEE 2018, Springer, 2020.
• doi:10.1007/978-3-030-44101-2_2

2019

• H. Egger and M. Schlottbom.
• A perfectly matched layer approach for radiative transfer in highly scattering regimes.
• SIAM. J. Numer. Anal. 57 (2019), 2166-2188.
• doi: 10.1137/18M1172521
• H Egger.
• Structure preserving approximation of dissipative evolution problems.
• Numer. Math. 143 (2019), 85.
• doi:10.1007/s00211-019-01050-w
• H. Egger and G. Teschner.
• On the stable estimation of flow geometry and wall shear stress from magnetic resonance images.
• Inverse Problem 35 (2019), 095001.
• doi:10.1088/1361-6420/ab23d5
• H. Egger and T. Kugler.
• Uniform exponential stability of Galerkin approximations for damped wave systems.
• Advanced Finite Element Methods with Applications, Springer 2019.
• doi: 10.1007/978-3-030-14244-5
• A. Bauer, S. Wegt, M. Bopp, S. Jakirlic, C. Tropea, A. Krafft, N. Shokina, J. Hennig, G. Teschner, H. Egger.
• Comparison of wall shear stress estimates obtained by laser Doppler velocimetry, magnetic resonance imaging and numerical simulations.
• Experiments in Fluids 60 (2019), article id. 112.
• doi:10.1007/s00348-019-2758-6
• N. Shokina, G. Teschner, A. Bauer, C. Tropea, H. Egger, J. Hennig, A. J. Krafft.
• Quantification of wall shear stress in large blood vessels using magnetic resonance imaging.
• J. Comput. Techn. 24 (2019), 4-27.
• doi:10.25743/ICT.2019.24.4.002
• N. Shokina, A. Bauer, G. Teschner, W. B. Buchenberg, C. Tropea, H. Egger, J. Hennig, A. J. Krafft.
• MR-based wall shear stress measurements in fully developed turbulent flow using the Clauser plot method.
• J. Magn. Res. 305 (2019) 16-21.
• doi:10.1016/j.jmr.2019.05.009

2018

• R. Burlacu, H. Egger, M. Groß, A. Martin, M. E. Pfetsch, L. Schewe, M. Sirvent, and M. Skutella.
• Maximizing the storage capacity of gas networks: a global MINLP approach.
• Optimization and Engineering, 2018, p1-31.
• doi: 10.1007/s11081-018-9414-5
• H. Egger, C. Erath, and R. Schorr.
• On the non-symmetric coupling method for parabolic-elliptic interface problems.
• SIAM J. Numer. Anal. 56 (2018), 3510-3533.
• doi: 10.1137/17M1158276
• H. Egger and B. Hofmann.
• Tikhonov regularization in Hilbert scales under conditional stability assumptions.
• Inverse Problems 34 (2018), 115015.
• doi: 10.1088/1361-6420/aadef4
• H. Egger, K. Fellner, J.-F. Pietschmann, B. Q. Tang.
• A finite element method for volume-surface reaction-diffusion systems.
• Appl. Math. Comput. 336 (2018), 351-367.
• doi: 10.1016/j.amc.2018.04.031
• H. Egger and B. Radu.
• Super-convergence and post-processing for mixed finite element approximations of the wave equation.
• Numer. Math, 140 (2018), 427-447.
• doi: 10.1007/s00211-018-0966-2
• H. Egger, T. Kugler, B. Liljegren-Sailer, N. Marheineke, and V. Mehrmann.
• On structure-preserving model reduction for damped wave propagation in transport networks.
• SIAM J. Sci. Comput. 40 (2018), A331-A365.
• doi: 10.1137/17M1125303
• H. Egger.
• A robust conservative mixed finite element method for isentropic compressible flow on pipe networks.
• SIAM J. Sci. Comput. 40 (2017), A108-A129.
• doi: 10.1137/16M1094373
• H. Egger and T. Kugler.
• Damped wave systems on networks: Exponential stability and uniform approximations.
• Numer. Math. 138 (2018), 839-867.
• doi: 10.1007/s00211-017-0924-4
• H. Egger and T. Kugler
• An asymptotic preserving mixed finite element method for wave propagation in pipelines.
• In: Theory, Numerics and Applications of Hyperbolic Problems I. Springer Proc. In Math. & Stat. 236, 2018.
• doi: 10.1007/978-3-319-91545-6_39

2017

• H. Egger, J.-F. Pietschmann and M. Schlottbom.
• On the uniqueness of nonlinear diffusion coefficients in the presence of lower order terms.
• Inverse Problems 33 (2017), 115005.
• doi:10.1088/1361-6420/aa8cae
• H. Egger, T. Seitz and C. Tropea.
• Enhancement of flow measurements using fluid-dynamic constraints.
• J. Comput. Phys. 344 (2017), 558-574.
• doi:10.1016/j.jcp.2017.04.080
• H. Egger, Thomas Kugler, and Nikolai Strogies.
• Parameter identification in a semilinear hyperbolic system.
• Inverse Problems 33 (2017), 055022.
• doi:10.1088/1361-6420/aa648c

2016

• H. Egger and M. Schlottbom.
• A class of Galerkin schemes for time-dependent radiative transfer.
• SIAM J. Numer. Anal. 54 (2016), 3577-3599.
• doi:10.1137/15M1051336

2015

• F. Kretzschmar, S. Schnepp, H. Egger, F. Ahmadi, N. Nowak, V. Markel, and I. Tsukerman.
• The power of Approximations: Finite Difference, Boundary Difference and Discontinuous Galerkin Methods: Nonreflecting Conditions and Non-Asymptotic Homogenization.
• Lecture Notes in Computer Science Vol. 9045, Springer, 2015, pp. 50-61.
• doi:10.1007/978-3-319-20239-6_5
• H. Egger, F. Kretzschmar, S. Schnepp, and Th. Weiland.
• A Space-Time Discontinuous Galerkin Trefftz Method for time dependent Maxwell's equation.
• SIAM J. Sci. Comput. 37 ( 2015), B689-B711.
• doi:10.1137/140999323
• H. Egger, J.-F. Pietschmann, and M. Schlottbom.
• Identification of chemotaxis models with volume filling.
• SIAM J. Appl. Math. 75 (2015), pp. 275 - 288, 2015.
• doi:10.1137/140967222
• H. Egger, F. Kretzschmar, S. Schnepp, I. Tsukerman, and T. Weiland.
• Transparent boundary conditions in a Discontinuous Galerkin Trefftz method.
• Appl. Math. Comput. Volume 267 (2015), pp.42-55.
• doi:10.1016/j.amc.2015.06.026
• H. Egger, J.-F. Pietschmann, and M. Schlottbom.
• Identification of nonlinear heat conduction laws.
• J. Inv. Ill-Posed Probl. 23 (2015), 429-437.
• doi:10.1515/jiip-2014-0030

2014

• H. Egger and M. Schlottbom.
• Diffusion asymptotics for linear transport with low regularity.
• Asymptotic Analysis 89 (2014) 365–377.
• doi:10.3233/ASY-141235
• F. Kretzschmar, F. Ahmadi, N. Nowak, S. M. Schnepp, I. Tsukerman, H. Egger and T. Weiland.
• Trefftz absorbing boundary conditions in analytical, Discontinuous Galerkin and Finite difference form.
• ICEAA 2014, 176-177.
• doi:10.1109/ICEAA.2014.6903849
• H. Egger and M. Schlottbom.
• Numerical methods for parameter identification in stationary radiative transfer.
• Comput. Optim. Appl. 2014.
• doi:10.1007/s10589-014-9657-9
• H. Egger, J.-F. Pietschmann, and Matthias Schlottbom.
• Numerical identification of a nonlinear diffusion law via regularization in Hilbert scales.
• Inverse Problems, Vol. 30 No. 2, 025004, 2014.
• doi:10.1088/0266-5611/30/2/025004
• H. Egger, J.-F. Pietschmann, and Matthias Schlottbom.
• Simultaneous identification of diffusion and absorption coefficients in a quasilinear elliptic problem.
• Inverse Problems, Vol. 30 No. 3, 035009, 2014.
• doi:10.1088/0266-5611/30/3/035009
• H. Egger and M. Schlottbom.
• Stationary radiative transfer with vanishing absorption.
• M3AS Vol. 24, 973-990, 2014.
• doi:10.1142/S0218202513500735

2013

• S. Arridge, H. Egger, and M. Schlottbom.
• Preconditioning of complex symmetric linear systems with applications in optical tomography.
• Appl. Num. Math.  74 (2013) 35-48.
• doi:10.1016/j.apnum.2013.06.008
• H. Egger and M. Schlottbom.
• An Lp theory for stationary radiative transfer.
• Applicable Analysis 24 (2013) 973-990.
• doi:10.1080/00036811.2013.826798
• S. Heinze, M. Joulaian, H. Egger, and A. Düster.
• Efficient computation of cellular materials using the finite cell method.
• PAMM 204, 251-252.
• doi:10.1002/pamm.201410113
• H. Egger, U. Rüde, and B. Wohlmuth.
• Energy-corrected finite element methods with optimal convergence for corner singularities.
• SIAM J. Numer. Anal., 52, 171–193. 2013.
• doi:10.1137/120871377

2012

• H. Egger and C. Waluga.
• hp-Analysis of a Hybrid DG Method for Stokes Flow.
• IMA J, Numer. Anal. 33 (2013), 687–721.
• doi:10.1093/imanum/drs018
• C. Waluga and H. Egger.
• An Implementation of Hybrid Discontinuous Galerkin Methods in DUNE.
• In: Advances in DUNE, A. Dedner, B. Flemisch, R. Klöfkorn, eds., pp 169-180, Springer, 2012.
• doi:10.1007/978-3-642-28589-9_13<
• H. Egger and M. Schlottbom.
• A Mixed Variational Framework for the Radiative Transfer Equation.
• Math. Mod. Meth. Appl. Sci., 22(3), 2012, 1150014.
• doi:10.1142/S021820251150014X
• H. Egger, C. Waluga.
• A hybrid mortar method for incompressible flow.
• Int. J. Numer. Anal. Mod., 9 (2012), pp. 793-812.
• https://global-sci.org/intro/article_detail/ijnam/659.html
• R. Hausmann, C. Kuppe, H. Egger, et. al.
• Electrical forces determine glomerular permeability.
• J. Amer. Soc. Nephr. 21(12), 2053-2058.
• doi:10.1681%2FASN.2010030303

2011

• H. Egger, M. Schlottbom.
• Efficient Reliable Image Reconstruction Schemes for Diffuse Optical Tomography.
• Inv. Probl. Sci. Engrg. 19 (2011), 155-180.
• doi:10.1080/17415977.2010.531469
• H. Egger and C. Waluga.
• A Hybrid Discontinuous Galerkin Method for Darcy-Stokes Problems.
• In: Domain Decomposition Methods in Science and Engineering XX, 663-670, 2013.
• doi:10.1007/978-3-642-35275-1_79
• M. Freiberger, H. Egger, M. Liebmann and H. Scharfetter.
• High-performance image reconstruction in fluorescence tomography on desktop computers and graphics hardware.
• Biomedical Optics Express 2 (2011), 3207-3222.
• doi:10.1364/BOE.2.003207

2010

• H. Egger, M. Schlottbom.
• Analysis and regularization of Problems in diffuse optical tomography.
• SIAM J. Math. Anal. 42 (2010), 1934-1948.
• doi:10.1137/090781590
• H. Egger, M. Freiberger, M. Schlottbom.
• On Forward and Inverse Models in Fluorescence Optical Tomography.
• Inverse Problems and Imaging 4 (2010), 411-427.
• doi:10.3934/ipi.2010.4.411
• M. Freiberger, H. Egger, H. Scharfetter.
• Nonlinear Inversion in Fluorescence Optical Tomography.
• IEEE Trans. Biomed. Eng. 57 (2010), 2723-2729.
• doi:10.1109/TBME.2010.2053035
• H. Egger, M. Hanke, C. Schneider, J. Schöberl, S. Zaglmayr.
• Adjoint sampling methods for electromagnetic scattering.
• Inverse Problems 26 (2010), 074006.
• doi:10.1088/0266-5611/26/7/074006

2009

• H. Egger, J. Schöberl.
• A Hybrid Mixed Discontinuous Galerkin Finite Element Method for Convection-Diffusion Problems.
• IMA J. Num. Anal. 30 (2009) 1206–1234.
• doi:10.1093/imanum/drn083
• H. Egger, A. Leitao.
• Nonlinear regularization methods for ill-posed problems with piecewise constant or strongly varying solutions.
• Inverse Problems 25 (2009) 115014.
• doi:10.1088/0266-5611/25/11/115014
• H. Egger and A. Leitao.
• Efficient stable solutions of nonlinear elliptic Cauchy problems with piecewise constant solutions.
• Advances in Applied Mathematics and Mechanics 1 (2009), 729-749.
• doi:10.4208/aamm.09-m09S03
• H. Egger, Y. Heng, W. Marquardt, A. Mhamdi.
• Efficient solution of a three-dimensional inverse heat conduction problem in pool boiling.
• Inverse Problems 25 (2009), 095006.
• doi:10.1088/0266-5611/25/9/095006

2005-2008

• H. Egger.
• Regularization of inverse problems with large noise.
• J. Phys.: Conf. Ser. 124 012022, 2008.
•  
• H. Egger.
• Y-Scale Regularization.
• SIAM J. Numer. Anal. 46 (2008), 419-436.
•  
• H. Egger.
• Fast fully iterative Newton-type methods for inverse problems.
• J. Inv. Ill-posed Problems 15 (2007), 257-276.
•  
• H. Egger.
• Preconditioning CGNE-Iterations for Inverse Problems.
• Numerical Linear Algebra with Applications 14 (2007), 183-196.
•  
• H. Egger, T. Hein and B. Hofmann.
• On decoupling of volatility smile and term structure in inverse option pricing.
• Inverse Problems 22 (2006), 1247-1259.
•  
• H. Egger.
• Semiiterative Regularization in Hilbert scales.
• SIAM J. Numer. Anal. 44 (2006), 66-81.
•  
• H. Egger and A. Neubauer.
• Preconditioning Landweber iteration in Hilbert scales.
• Numer. Math. 101 (2005), 643-662.
•  
• H. Egger, H. W. Engl, and M. V. Klibanov.
• Global uniqueness and Hölder stability for recovering a nonlinear source term in a parabolic equation.
• Inverse Problems 21 (2005), 271-290.
•  
• H. Egger and H. W. Engl.
• Tikhonov regularization applied to the inverse problem of option pricing: Convergence analysis and rates.
• Inverse Problems 21 (2005), 1027-1045.
•  
• H. Egger.
• Recovering Volatility in the Black-Scholes Model.
• In: I. Troch and F. Breitenecker, eds. Proceedings of the 4th MATHMOD Vienna, 2003.
•  

Technical Reports

• H. Egger, T. Kugler, and W. Wollner.
• Numerical optimal control of instationary gas transport with control and state constraints.
• TU Darmstadt, 11/2017.
• trr154-214
• H. Egger.
• A mixed variational discretization for non-isothermal compressible flow in pipelines.
• TU Darmstadt, 11/2016.
• arXiv:1611.03368
• H. Egger.
• Energy-norm error estimates for finite element discretization of parabolic problems.
• TU Darmstadt, 07/2015.
• arXiv:1507.05183
• H. Egger.
• On the Convergence of Modified Landweber Iteration for Nonlinear Inverse Problems.
• Technical Report SFB-2010-017.
•  
• H. Egger.
• A class of hybrid mortar finite element methods for interface problems with non-matching meshes.
• Technical Report AICES-2009-2.
•  
• H. Egger, A. Leitao.
• Stable solutions of nonlinear elliptic Cauchy problems in three dimensional domains.
• Technical Report AICES-2008-6.
•  
• H. Egger.
• Accelerated Newton-Landweber iterations for regularizing nonlinear inverse problems.
• SFB-Report 2005-3, January 2005.
•  

Theses

• Diploma Thesis:
• Identification of Volatility Smile in the Black Scholes Equation via Tikhonov Regularization.
• Johannes Kepler University Linz, 2002.
•  
• Doctoral Thesis:
• Preconditioning iterative regularization in Hilbert Scales.
• Johannes Kepler University Linz, 2005.
•